Pôster de Chaos Communication Congress

2011 - 12 temporadas 1689 ep. Em andamento

Chaos Communication Congress

2011 - 12 temporadas 1689 ep.

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30 min

S39 · E1 · 27 de dez de 2025

Opening Ceremony Episódio 1

Power On! Lasst uns gemeinsam an diesem magischen Ort ankommen und alles vorbereiten, um die nächsten vier Tage in einer fröhlich-kreativen, fantastischen Wunderwelt zu verbringen und Kraft zu tanken.

40 min

S39 · E2 · 27 de dez de 2025

All Sorted by Machines of Loving Grace? "AI", Cybernetics, and Fascism and how to Intervene Episódio 2

While the extreme right is on the rise in many countries and climate change is unrolling, a promising future seems to be written: According to Elon Musk, Sam Altman, and some other “tech bros” it is to leave the dying planet to go to space. With the help of something called “A(G)I”. But what kind of future is the one that is promised? And what is the connection between power cycles of tech company owners and people who's believes can be called fascist? As we moved power through data in the hands of very view, it is important to examine what ideas these view have in their heads. This talk will explore the roots of today's tech fascism and its love for tech. From the early thoughts and movements in the US and Europe to Futurism and the Holocaust, organised with Hollerith punching cards. It will dive into the its blooming relationship with cybernetics, and take a look in the future the “tech bros” want to lure us in.

40 min

S39 · E3 · 27 de dez de 2025

The art of text (rendering) Episódio 3

Typography is the art of arranging type to make written language legible, readable, and appealing when displayed. However, for the neophyte, typography is mostly apprehended as the juxtaposition of characters displayed on the screen while for the expert, typography means typeface, scripts, unicode, glyphs, ascender, descender, tracking, hinting, kerning, shaping, weigth, slant, etc. Typography is actually much more than the mere rendering of glyphs and involves many different concepts. If glyph rendering is an important part of the rendering pipeline, it is nonetheless important to have a basic understanding of typography or there’s a known risk at rendering garbage on screen, as it has been seen many times in games, software and operating systems.

40 min

S39 · E4 · 27 de dez de 2025

A Tale of Two Leaks: How Hackers Breached the Great Firewall of China Episódio 4

The Great Firewall of China (GFW) is one of, if not arguably the most advanced Internet censorship systems in the world. Because repressive governments generally do not simply publish their censorship rules, the task of determining exactly what is and isn’t allowed falls upon the censorship measurement community, who run experiments over censored networks. In this talk, we’ll discuss two ways censorship measurement has evolved from passive experimentation to active attacks against the Great Firewall.

40 min

S39 · E5 · 27 de dez de 2025

OpenAutoLab: photographic film processing machine. Fully automatic and DIY-friendly. Episódio 5

(NO RECORDING) OpenAutoLab, an open source machine, that is capable of processing contemporary color and black-and-white films for analogue photography, is being presented here. It made its first public appearance at 37C3 and was already seen there in action, but had no organized talk or proper presentation. Now it is better documented, waits to be built by more people and to be further developed by the community. This talk is about motivation behind developing OpenAutoLab and about the technical decisions made during it. It is argued that any dedicated film photographer is able to get one built.

40 min

S39 · E6 · 27 de dez de 2025

ZPS: Ein Jahr Adenauer SRP+ und mehr Episódio 6

Vor einem Jahr haben wir auf dem Kongress die Baustelle unseres Adenauer SRP+ präsentiert. Jetzt ist er fertig - 1 Jahr im Betrieb - und es gibt alles mögliche an Anekdoten aus dem Jahr. Außerdem alles zu noch geheimen, neuesten ZPS Aktion.

40 min

S39 · E7 · 27 de dez de 2025

Demystifying Fuzzer Behaviour Episódio 7

Despite how it's often portrayed in blogs, scientific articles, or corporate test planning, fuzz testing isn't a magic bug printer; just saying "we fuzz our code" says nothing about how _effectively_ it was tested. Yet, how fuzzers and programs interact is deeply mythologised and poorly misunderstood, even by seasoned professionals. This talk analyses a number of recent works and case studies that reveal the relationship between fuzzers, their inputs, and programs to explain _how_ fuzzers work.

40 min

S39 · E8 · 27 de dez de 2025

ISDN + POTS Telephony at Congress and Camp Episódio 8

Like 39C3, the last CCC camp (2023) and congress (38C3) have seen volunteer-driven deployments of legacy ISDN and POTS networks using a mixture of actual legacy telephon tech and custom open source software. This talk explains how this is achieved, and why this work plays an important role in preserving parts of our digital communications heritage.

40 min

S39 · E9 · 27 de dez de 2025

Brennende Wälder und Kommentarspalten - Klimaupdate mit Bits & Bäume Episódio 9

Das Klima-Update von Bits und Bäume und dem FragDenStaat Climate Helpdesk.

40 min

S39 · E10 · 27 de dez de 2025

Building hardware - easier than ever - harder than it should be Episódio 10

Building electronics has never been easier, cheaper, or more accessible than the last few years. It's also becoming a precious skill in a world where commercially made electronics are the latest victim of enshittification and vibe coding. And yet, while removing technical and financial barriers to building things, we've not come as far as we should have in removing social barriers. The electronics and engineering industry and the cultures around them are hostile to newcomers and self-taught practitioners, for no good reason at all. I've been teaching advanced electronics manufacturing skills to absolute beginners for a decade now, and they've consistently succeeded at acquiring them. I'm here to tell you why it's not as hard as it seems, how to get into it, and why more people who think they can't should try.

40 min

S39 · E11 · 27 de dez de 2025

Neuroexploitation by Design: Wie Algorithmen in Glücksspielprodukten sich Wirkweisen ... Episódio 11

Die Legalisierung des Online-Glücksspiels in Deutschland im Jahr 2021 und die zunehmende Normalisierung von Glücksspiel und Sportwetten in den Medien haben ein Umfeld geschaffen, in welchem Glücksspielprodukte leichter zugänglich und gesellschaftlich stärker akzeptiert sind als je zuvor. Diese weit verbreitete Exposition birgt erhebliche Risiken für vulnerable Personen, insbesondere da die Grenzen zwischen Spielen und Glücksspiel zunehmend verwischen. Seit einiger Zeit ist beispielsweise ein deutlicher Anstieg von Spielen zu beobachten, die Glücksspiel-ähnliche Items wie Loot-Boxen beinhalten. Komplexe Designmerkmale in elektronischen Glücksspielprodukten, z.B. Glücksspielautomaten und Online-Slots, sind gezielt darauf ausgerichtet, Individuen zu verlängerten Spielsitzungen zu motivieren, um den Umsatz zu maximieren.

40 min

S39 · E12 · 27 de dez de 2025

FeTAp 611 unplugged: Taking a rotary dial phone to the mobile age Episódio 12

This project transforms a classic rotary phone into a mobile device. Previous talks have analyzed various aspects of analogue phone technology, such as rotary pulse detection or ringing voltage generation. Now this project helps you get rid of the cable: it equips the classic German FeTAp 611 with battery power and a flyback SMPS based ringing voltage generator - but still maintains the classical look and feel. The talk demonstrates the journey of bridging analog and digital worlds, explaining how careful design connects a vintage phone to today’s mobile environment - in a way that will make your grandparents happy.

40 min

S39 · E13 · 27 de dez de 2025

Who cares about the Baltic Jammer? – Terrestrial Navigation in the Baltic Sea Region Episódio 13

Reports of GNSS interference in the Baltic Sea have become almost routine — airplanes losing GPS, ships drifting off course, and timing systems failing. But what happens when a group of engineers decides to build a navigation system that simply *doesn’t care* about the jammer? Since 2017, we’ve been developing **R-Mode**, a terrestrial navigation system that uses existing radio beacons and maritime infrastructure to provide independent positioning — no satellites needed. In this talk, we’ll share our journey from an obscure research project that “nobody needs” to a system now seen as crucial for resilience and sovereignty. Expect technical insights, field stories from ships in the Baltic, and reflections on what it means when a civilian backup system suddenly attracts military interest.

40 min

S39 · E14 · 27 de dez de 2025

Liberating Bluetooth on the ESP32 Episódio 14

Despite how widely used the ESP32 is, its Bluetooth stack remains closed source. Let’s dive into the low-level workings of a proprietary Bluetooth peripheral. Whether you are interested in reverse engineering, Bluetooth security, or just enjoy poking at undocumented hardware, this talk may inspire you to dig deeper.

40 min

S39 · E15 · 27 de dez de 2025

Chaos macht Küche Episódio 15

Ihr macht eine Veranstaltung für viele Menschen? Dann haben viele Menschen auch viel Hunger. Jetzt wird euch gezeigt wie man für viele (mehr als 75) Menschen Essen zubereitet. Es braucht nur etwas Vorbereitung und Motivation!

40 min

S39 · E16 · 27 de dez de 2025

Developing New Medicines in the Age of AI and Personalized Medicine Episódio 16

Did you ever wonder where all the drugs, which you can get at a pharmacy, come from? Who makes them, and how? Well, there is no easy answer, because the process of drug discovery and development is a very complex, expensive, and challenging journey, riddled with many risks and failures. This holds true for all types of drugs, from a simple pill to an mRNA vaccine or a gene therapy. Today, scientists support this process with a variety of AI applications, cutting-edge technologies, automation, and a huge amount of data. But can the race for new medicines and cures succeed only through more technology, or do we need to rethink the entire process? Let’s take a look at how the drug discovery and development process has worked so far, and how this entire process is changing – for better or worse.

40 min

S39 · E17 · 27 de dez de 2025

Endlich maschinenlesbare Urteile! Open access für Juristen Episódio 17

Zur Überraschung Vieler sind Juristen Wissenschaftler, die nach wissenschaftlichen Maßstäben arbeiten sollten und ihre Schriftsätze und Urteile auch nach stringenten wissenschaftlichen Kriterien gestalten und untereinander diskutieren sollten. Doch nur in einigen Rechtsgebieten funktioniert dies. Wie jede Wissenschaft ist auch die Rechtswissenschaft nur so gut wie das ihr zugrundeliegende Quellenmaterial – in diesem Fall sind das meist Urteile. Empirische Untersuchungen über diese Daten sind nur möglich, wenn sie der Forschung auch zur Verfügung stehen. Doch wissenschaftliche Arbeit im juristischen Feld ist aktuell nicht wirklich möglich, da die wenigsten Urteile veröffentlicht werden, da sich die Gerichte meist vor der dadurch anfallenden Arbeit scheuen. Wir betrachten, warum dies Grundsätze der Rechtsstaatlichkeit infrage stellt und warum Player aus der Wirtschaft mehr über deutsche Rechtsprechung wissen, als unsere Gerichte – und wie sie das zu Geld machen.

60 min

S39 · E18 · 27 de dez de 2025

Opening pAMDora's box and unleashing a thousand paths on the journey to play Beatsaber custom songs Episódio 18

While trying to apply fault injection to the AMD Platform Security Processor with unusual (self-imposed) requirements/restrictions, it were software bugs which stopped initial glitching attempts. Once discovered, the software bug was used as an entry to explore the target, which in turn lead to uncovering (and exploiting) more and more bugs, ending up in EL3 of the most secure core on the chip. This talk is about the story of trying to glitch the AMD Platform Security Processor, then accidentally discovering several bugs and getting a good look inside the target, before returning to trying to hammer it with novel physical strategies.

60 min

S39 · E19 · 27 de dez de 2025

Not an Impasse: Child Safety, Privacy, and Healing Together Episódio 19

From the EU’s “Chat Control” to the UK’s age verification, there is a growing legislative momentum across jurisdictions to regulate the Internet in the name of protecting children. The monstrosity of child sexual abuse looms large in shaping how policymakers, advocates, and the public understand the problem area of and propose solutions for detecting, reporting, and removing harmful/illegal content. Children’s safety and adults’ privacy are thus pitted against each other, deadlocked into an impasse. As technologists deeply concerned with safety and privacy, where do we go from here?

60 min

S39 · E20 · 27 de dez de 2025

KIM 1.5: Noch mehr Kaos In der Medizinischen Telematikinfrastruktur (TI) Episódio 20

Zwei Jahre nach dem ersten KIM-Vortrag auf dem 37C3: Die gezeigten Schwachstellen wurden inzwischen geschlossen. Weiterhin können mit dem aktuellen KIM 1.5+ nun große Dateien bis 500 MB übertragen werden, das Signaturhandling wurde für die Nutzenden vereinfacht, indem die Detailinformationen der Signatur nicht mehr einsehbar sind. Aber ist das System jetzt sicher oder gibt es neue Probleme?

30 min

S39 · E21 · 27 de dez de 2025

RedScout42 – Zur digitalen Wohnungsfrage Episódio 21

Wer heutzutage eine Wohnung sucht, kommt kaum noch darum herum, sich einen Account bei Immoscout24 & Co. zu erstellen. Diese „Platform Real Estate“ sind eine besondere Art der „Walled Gardens“, die ihr Geschäftsmodell auf die sich immer weiter verschärfende Wohnungskrise ausgerichtet haben. Und das ist äußerst profitabel für die Besitzer dieser Strukturen der Daseinsvorsorge: Im September 2025 stieg Scout24 in den DAX auf und reiht sich damit in Unternehmen wie BMW, Rheinmetall und SAP ein.

60 min

S39 · E22 · 27 de dez de 2025

All my Deutschlandtickets gone: Fraud at an industrial scale Episódio 22

The Deutschlandticket was the flagship transport policy of the last government, rolled out in an impressive timescale for a political project; but this speed came with a cost - a system ripe for fraud at an industrial scale. German public transport is famously decentralised, with thousands of individual companies involved in ticketing and operations. Unifying all of these under one national, secure, system has proven a challenge too far for politicians. The end result: losses in the hundreds of millions of Euros, compensated to the transport companies from state and federal budgets to keep the system afloat, and nobody willing to take responsibility. This talk will cover the political, policy, and technical mistakes that lead to this mess; how we can learn from these mistakes; and what we can do to ensure the Deutschlandticket has a viable future.

60 min

S39 · E23 · 27 de dez de 2025

Of Boot Vectors and Double Glitches: Bypassing RP2350's Secure Boot Episódio 23

In August 2024, Raspberry Pi released their newest MCU: The RP2350. Alongside the chip, they also released the RP2350 Hacking Challenge: A public call to break the secure boot implementation of the RP2350. This challenge concluded in January 2025 and led to five exciting attacks discovered by different individuals. In this talk, we will provide a technical deep dive in the RP2350 security architecture and highlight the different attacks. Afterwards, we talk about two of the breaks in detail---each of them found by one of the speakers. In particular, we first discuss how fault injection can force an unverified vector boot, completely bypassing secure boot. Then, we showcase how double glitches enable direct readout of sensitive secrets stored in the one-time programmable memory of the RP2350.

60 min

S39 · E24 · 27 de dez de 2025

„KI“, Digitalisierung und Longevity als Fix für ein kaputtes Gesundheitssystem? Episódio 24

Großen Herausforderungen im Gesundheitswesen soll mittels Technik und Eigenverantwortung begegnet werden. Die Hoffnung: „KI“ und Digitalisierung machen das System effizienter; Selbstoptimierung und mehr Eigenverantwortung halten die Menschen länger gesund. Der Vortrag analysiert aktuelle Diskurse rund um Digitalisierung und Gesundheit, und fragt kritisch, wie diese Entwicklung ohnehin bestehende soziale Ungleichheiten verschärfen könnte. Am Ende bleibt die Frage: Wie könnten tragfähige Lösungen fürs Gesundheitssystem aussehen?

60 min

S39 · E25 · 27 de dez de 2025

Chaos all year round Episódio 25

Neben dem Congress gibt es noch viele andere Chaos-Events, die über das ganze Jahr verteilt stattfinden. Das Easterhegg, die GPN und die MRMCD kennen vermutlich die meisten Chaos-Wesen. Aber was ist eigentlich mit den ganzen kleineren Veranstaltungen?

60 min

S39 · E26 · 27 de dez de 2025

To sign or not to sign: Practical vulnerabilities in GPG & friends Episódio 26

Might contain zerodays. https://gpg.fail/ From secure communications to software updates: PGP implementations such as *GnuPG* ubiquitously relied on to provide cryptographic assurances. Many applications from secure communications to software updates fundamentally rely on these utilities. Since these have been developed for decades, one might expect mature codebases, a multitude of code audit reports, and extensive continuous testing. When looking into various PGP-related codebases for some personal use cases, we found these expectations not met, and discovered multiple vulnerabilities in cryptographic utilities, namely in *GnuPG*, *Sequoia PGP*, *age*, and *minisign*. The vulnerabilities have implementation bugs at their core, for example in parsing code, rather than bugs in the mathematics of the cryptography itself.

60 min

S39 · E27 · 27 de dez de 2025

Handy weg bis zur Ausreise – Wie Cellebrite ins Ausländeramt kam Episódio 27

Seit Anfang 2024 dürfen Ausländerbehörden Smartphones von ausreisepflichtigen Menschen nicht nur durchsuchen, sondern gleich ganz behalten – „bis zur Ausreise“. Was als geringfügige Änderung im Aufenthaltsgesetz daherkommt, erweist sich als massiver Eingriff in Grundrechte: Menschen verlieren nicht nur die Kontrolle über ihre Daten, sondern auch ihr wichtigstes Kommunikationsmittel – auf unbestimmte Zeit. Hier hört ihr, welche absurden Blüten das treibt. Von Bayern bis NRW haben Bundesländer inzwischen eigene IT-forensische Tools für ihre Behörden angeschafft, um auf den Geräten nach “Indizien” für die Herkunft zu suchen. Sie setzen Methoden ein, wie wir sie sonst aus Ermittlungsverfahren oder von Geheimdiensten kennen – um die Geräte von Menschen zu durchsuchen, die nichts verbrochen haben.

60 min

S39 · E28 · 27 de dez de 2025

Pwn2Roll: Who Needs a 599€ Remote When You Have wheelchair.py? Episódio 28

A 599€ wheelchair remote that sends a handful of Bluetooth commands. A 99€ app feature that does exactly what the 599€ hardware does. A speed upgrade from 6 to 8.5 km/h locked behind a 99€ paywall - because apparently catching the bus is a premium feature. Welcome to the wonderful world of DRM in assistive devices, where already expensive basic mobility costs extra and comes with in-app purchases! And because hackers gonna hack, this just could not be left alone.

60 min

S39 · E29 · 27 de dez de 2025

Escaping Containment: A Security Analysis of FreeBSD Jails Episódio 29

FreeBSD’s jail mechanism promises strong isolation—but how strong is it really? In this talk, we explore what it takes to escape a compromised FreeBSD jail by auditing the kernel’s attack surface, identifying dozens of vulnerabilities across exposed subsystems, and developing practical proof-of-concept exploits. We’ll share our findings, demo some real escapes, and discuss what they reveal about the challenges of maintaining robust OS isolation.

60 min

S39 · E30 · 27 de dez de 2025

Die Känguru-Rebellion: Digital Independence Day Episódio 30

Marc-Uwe Kling liest neues vom Känguru vor.

60 min

S39 · E31 · 27 de dez de 2025

And so it begins - Wie unser Rechtsstaat auf den Highway Richtung Trumpismus rast Episódio 31

Wenn die Regierung sich nicht mehr an das eigene Recht gebunden fühlt, markiert das nicht nur einen politischen Spurwechsel, sondern die Auffahrt auf den Highway to Trumpism. Zeit die Notbremse zu ziehen! Normalerweise trifft es in solchen Situationen immer zuerst diejenigen, die sich am wenigsten wehren können. Doch was passiert, wenn genau diese Menschen mit juristischen Werkzeugen bewaffnet werden, um zurückzuschlagen? Anhand von über 100 Klagen afghanischer Schutzsuchender zeigen wir, wie Ministerien das Bundesaufnahmeprogramm sabotieren, Gerichte sie zurückpfeifen – und die Zivilgesellschaft zum letzten Schutzwall des Rechtsstaats wird. Und wir verraten, warum sich Beamte im BAMF vielleicht lieber krankmelden sollten und welche anderen Möglichkeiten sie haben, um nicht straffällig zu werden.

60 min

S39 · E32 · 27 de dez de 2025

1965 + 60 Years of Algorithmic Art with Computers Episódio 32

What power structures are inherent to the field of computer-generated art? In the year 1965, so 60 years ago, the first three exhibitions of art created with the help of computers took place - in part independently of each other. We want to present the interesting aspects of developments since then and discuss them with Frieder Nake, one of the people who exhibited in those very beginnings and followed those developments with a critical attitude.

60 min

S39 · E33 · 27 de dez de 2025

Life on Hold: What Does True Solidarity Look Like Beyond Duldung, Camps, Deportation, and ... Episódio 33

Lager, Duldung, Bezahlkarte, Essensscheine – Criminalization, Radicalization, Reality for Many People in East Germany This talk sheds light on how these terms shape everyday life. We dive into an existence marked by uncertainty, isolation, and psychological strain, both in anonymous big cities and rural areas of East Germany. We ask: What does “solidarity” really mean in this context?

60 min

S39 · E34 · 27 de dez de 2025

Chatkontrolle - Ctrl+Alt+Delete Episódio 34

Seit jetzt schon vier Jahren droht aus der EU die Chatkontrolle. In Deutschland ist das Thema nach den Protesten im Oktober aktueller denn je - und sogar Jens Spahn und Rainer Wendt sind plötzlich gegen diese Form der Überwachung. In diesem Vortrag schauen wir zurück und erklären was, vor allem im Hintergrund, passiert ist. Wir nehmen die Position der Bundesregierung genau unter die Lupe und werfen einen Blick auf die Schritte, die auf EU-Ebene vor uns liegen.

60 min

S39 · E35 · 27 de dez de 2025

Excuse me, what precise time is It? Episódio 35

With PTP 1588, AES67, and SMPTE 2110, we can transmit synchronous audio and video with sub-millisecond latency over the asynchronous medium Ethernet. But how do you make hundreds of devices agree on the exact same nanosecond on a medium that was never meant to care about time? Precision Time Protocol (IEEE 1588) tries to do just that. It's the invisible backbone of realtime media standards like AES67 and SMPTE 2110, proprietary technologies such as Dante, and even critical systems powering high-frequency trading, cellular networks, and electric grids.

60 min

S39 · E36 · 27 de dez de 2025

BitUnlocker: Leveraging Windows Recovery to Extract BitLocker Secrets Episódio 36

This talk reveals our in-depth vulnerability research on the Windows Recovery Environment (WinRE) and its implications for BitLocker, Windows’ cornerstone for data protection. We will walk through the research methodology, uncover new 0-day vulnerabilities, and showcase full-chain exploitations that enabled us to bypass BitLocker and extract all the protected data in several different ways. This talk goes beyond theory - as each vulnerability will be accompanied by a demo video showcasing the complete exploitation chain. To conclude the talk, we will share Microsoft’s key takeaways from this research and outline our approach to hardening WinRE and BitLocker.

60 min

S39 · E37 · 27 de dez de 2025

Not To Be Trusted - A Fiasco in Android TEEs Episódio 37

Trusted Execution Environments (TEEs) based on ARM TrustZone form the backbone of modern Android devices' security architecture. The word "Trusted" in this context means that **you**, as in "the owner of the device", don't get to execute code in this execution environment. Even when you unlock the bootloader and Magisk-root your device, only vendor-signed code will be accepted by the TEE. This unfortunate setup limits third-party security research to the observation of input/output behavior and static manual reverse engineering of TEE components. In this talk, we take you with us on our journey to regain power over the highest privilege level on Xiaomi devices. Specifically, we are targeting the Xiaomi Redmi 11s and will walk through the steps necessary to escalate our privileges from a rooted user space (N-EL0) to the highest privilege level in the Secure World (S-EL3).

60 min

S39 · E38 · 27 de dez de 2025

Hacking washing machines Episódio 38

Almost everyone has a household appliance at home, whether it's a washing machine, dishwasher, or dryer. Despite their ubiquity, little is publicly documented about how these devices actually work or how their internal components communicate. This talk takes a closer look at proprietary bus systems, hidden diagnostic interfaces, and approaches to cloud-less integration of appliances from two well-known manufacturers into modern home automation systems.

60 min

S39 · E39 · 27 de dez de 2025

Radikalisierungspipeline Esoterik: Von "Eso-Nazis" der NS-Zeit zu „geheimen Wissen“ auf TikTok & Co. Episódio 39

Auf TikTok und Instagram boomen esoterische Inhalte. Neben offensichtlichen Falschinformationen zu körperlicher und psychischer Gesundheit geht damit eine Gefahr einher, die oftmals unterschätzt wird. Denn Teile der Esoterik-Szene schaffen nicht erst seit den verschwörungsideologischen Corona-Protesten eine sehr effektive Radikalisierungspipeline für antidemokratische oder sogar rechtsextreme Inhalte. Es ist kein Zufall, dass bekannte Gruppierungen aus dem Reichsbürger-Milieu – von Peter Fitzek und seinem „Königreich Deutschland“ bis hin zur „Patriotischen Union“ um Prinz Reiß – starke Bezüge zu verschieden esoterischen Weltbildern aufweisen. Denn bereits zur NS-Zeit gab es entsprechende Verbindungen zwischen den Milieus.

60 min

S39 · E40 · 27 de dez de 2025

Throwing your rights under the Omnibus - how the EU's reform agenda threatens to erase a decade ... Episódio 40

A spectre is haunting Europe—the spectre of bureaucracy. All the Powers of old Europe have entered into an unholy alliance to exorcise this spectre: The EU Commission, Member States, industry, even J.D. Vance. This threatens the digital rights and rules built up in the last decade.

60 min

S39 · E41 · 27 de dez de 2025

DNGerousLINK: A Deep Dive into WhatsApp 0-Click Exploits on iOS and Samsung Devices Episódio 41

The spyware attack targeting WhatsApp, disclosed in August as an in-the-wild exploit, garnered significant attention. By simply knowing a victim's phone number, an attacker could launch a remote, zero-interaction attack against the WhatsApp application on Apple devices, including iPhones, iPads, and Macs. Subsequent reports indicated that WhatsApp on Samsung devices was also targeted by similar exploits. In this presentation, we will share our in-depth analysis of this attack, deconstructing the 0-click exploit chain built upon two core vulnerabilities: CVE-2025-55177 and CVE-2025-43300. We will demonstrate how attackers chained these vulnerabilities to remotely compromise WhatsApp and the underlying iOS system without any user interaction or awareness. Following our analysis, we successfully reproduced the exploit chain and constructed an effective PoC capable of simultaneously crashing the target application on iPhones, iPads, and Macs. Finally, we will present our analysis of relate

60 min

S39 · E42 · 27 de dez de 2025

Bluetooth Headphone Jacking: A Key to Your Phone Episódio 42

Bluetooth headphones and earbuds are everywhere, and we were wondering what attackers could abuse them for. Sure, they can probably do things like finding out what the person is currently listening to. But what else? During our research we discovered three vulnerabilities (CVE-2025-20700, CVE-2025-20701, CVE-2025-20702) in popular Bluetooth audio chips developed by Airoha. These chips are used by many popular device manufacturers in numerous Bluetooth headphones and earbuds. The identified vulnerabilities may allow a complete device compromise. We demonstrate the immediate impact using a pair of current-generation headphones. We also demonstrate how a compromised Bluetooth peripheral can be abused to attack paired devices, like smartphones, due to their trust relationship with the peripheral. This presentation will give an overview over the vulnerabilities and a demonstration and discussion of their impact.

40 min

S39 · E43 · 27 de dez de 2025

Breaking architecture barriers: Running x86 games and apps on ARM Episódio 43

Presenting FEX, a translation layer to run x86 apps and games on ARM devices: Learn why x86 is such a pain to emulate, what tricks and techniques make your games fly with minimal translation overhead, and how we are seamless enough that you'll forget what CPU you're using in the first place!

40 min

S39 · E44 · 27 de dez de 2025

The Eyes of Photon Science: Imaging, Simulation and the Quest to Make the Invisible Visible Episódio 44

Science advances by extending our senses beyond the limits of human perception, pushing the boundaries of what we can observe. In photon science, imaging detectors serve as the eyes of science, translating invisible processes into measurable and analysable data. Behind every image lies a deep understanding of how detectors see, respond and perform. At facilities like the European XFEL, the world's most powerful X-ray free-electron laser located in the Hamburg metropolitan area, imaging detectors capture ultrashort X-ray flashes at MHz frame rates and with high dynamic range. Without these advanced detectors, even the brightest X-ray laser beam would remain invisible. They help to reveal what would otherwise stay hidden, such as the structure of biomolecules, the behaviour of novel materials, and matter under extreme conditions. But how do we know they will perform as expected? And how do we design systems capable of “seeing” the invisible?

40 min

S39 · E45 · 27 de dez de 2025

Coding Dissent: Art, Technology, and Tactical Media Episódio 45

This presentation examines artistic practices that engage with sociotechnical systems through tactical interventions. The talk proposes art as a form of infrastructural critique and counter-technology. It also introduces a forthcoming HackLab designed to foster collaborative development of open-source tools addressing digital authoritarianism, surveillance capitalism, propaganda infrastructures, and ideological warfare.

40 min

S39 · E46 · 27 de dez de 2025

AI-generated content in Wikipedia - a tale of caution Episódio 46

I successfully failed with a literature related project and accidentally built a ChatGPT detector. Then I spoke to the people who uploaded ChatGPT generated content on Wikipedia.

40 min

S39 · E47 · 27 de dez de 2025

Building a NOC from scratch Episódio 47

Learn from our mistakes during the first iteration of Network Operations for Europe's largest furry convention, Eurofurence. Dieses Jahr hat ein kleines Team aus dem Chaos, Furries und Chaos-Furries ein neues Netzwerk-OC gegründet, um die Eurofurence mit gutem premium ???? Internetz auszustatten. Wir erzählen von unseren Erfahrungen und den sozialen sowie technischen Herausforderungen.

40 min

S39 · E48 · 27 de dez de 2025

From Silicon to Darude Sand-storm: breaking famous synthesizer DSPs Episódio 48

Have you ever wondered how the chips and algorithms that made all those electronic music hits work? Us too! At The Usual Suspects we create open source emulations of famous music hardware, synthesizers and effect units. After releasing some emulations of devices around the Motorola 563xx DSP chip, we made further steps into reverse engineering custom silicon chips to achieve what no one has done before: a real low-level emulation of the JP-8000. This famous synthesizer featured a special "SuperSaw" oscillator algorithm, which defined an entire generation of electronic and trance music. The main obstacle was emulating the 4 custom DSP chips the device used, which ran software written with a completely undocumented instruction set. In this talk I will go through the story of how we overcame that obstacle, using a mixture of automated silicon reverse engineering, probing the chip with an Arduino, statistical analysis of the opcodes and fuzzing. Finally, I will talk about how we made the e

60 min

S39 · E49 · 28 de dez de 2025

Unnecessarily Complicated Kitchen – Die Wissenschaft des guten Geschmacks Episódio 49

In unserer „Unnecessarily Complicated Kitchen“ hacken wir die Gesetze der Kulinarik. Ich zeige live, wie Hitze, Chemie und Chaos zusammenwirken, wenn Moleküle tanzen, Emulsionen kollabieren und Geschmack zu Wissenschaft wird. Zwischen Pfanne und Physik entdecken wir, warum Kochen im Grunde angewandtes Debugging ist – und wie man Naturgesetze so würzt, dass sie schmecken.

45 min

S39 · E50 · 28 de dez de 2025

Junghacker:innentag Einführung Episódio 50

(NO RECORDING) Zu unserer Freude haben sich in den letzten Jahren immer mehr Junghacker:innen auf dem Congress eingefunden. Daher bieten wir auch diesmal, wie schon in den Vorjahren, einen speziell auf Kinder und Jugendliche zugeschnittenen Junghacker:innentag an. Am zweiten Congresstag, dem 28. Dezember 2024, organisieren Freiwillige aus vielen Assemblies von etwa 10 bis 17 Uhr ein vielseitiges Workshop-Programm für angehende Hacker:innen.

60 min

S39 · E51 · 28 de dez de 2025

Protecting the network data of one billion people: Breaking network crypto in popular Chinese apps Episódio 51

(NO RECORDING) In this talk, I will describe how my team and I systematically exploited around a dozen home-rolled network encryption protocols used by popular mobile apps like RedNote, Alipay, and some of the most popular mobile browsers in China to encrypt sensitive information. I'll demonstrate how network eavesdroppers could access users' browsing history and mobile activity. This is a systemic issue; despite our work on the above protocols and the resulting vulnerability disclosures, this plague of home-rolled and proprietary encryption is still at large. I will end by discussing how we got here, re-affirm the age-old adage, “Don’t roll your own crypto!”, and call on hackers around the world to help us move towards HTTPS everywhere in understudied app ecosystems.

60 min

S39 · E52 · 28 de dez de 2025

Hatupangwingwi: The story how Kenyans fought back against intrusive digital identity systems Episódio 52

The session title is fashioned after the Kenyan movement building rhetoric “Hatupangwingwi” which is Kenyan slang meant as a call to action to counter anti-movement building techniques by the political class and resist infiltration and corruption. This is true for the organisation and movement building towards inclusive identity regimes in Kenya. The session seeks to explore the lessons from Kenya’s journey to digitalization of public services and the uptake of Digital Public infrastructure. It digs deeper on the power of us and how civil society could stop a destructive surveillance driven digitalisation thus protecting millions of Kenyans.

120 min

S39 · E53 · 28 de dez de 2025

Lightning Talks - Tag 2 Episódio 53

Lightning Talks

60 min

S39 · E54 · 28 de dez de 2025

Digitale Inklusion: Wie wir digitale Barrierefreiheit für alle erreichen können Episódio 54

Könntest du jetzt noch sagen, was du heute online gemacht hast? Für viele ist das Internet so selbstverständlich, dass sie es kaum noch merken, wenn sie es benutzen. Dennoch sind viele Menschen unfreiwillig aus der digitalen Welt ausgeschlossen. Wie könnte das Internet für alle nutzbar werden?

60 min

S39 · E55 · 28 de dez de 2025

Skynet Starter Kit: From Embodied AI Jailbreak to Remote Takeover of Humanoid Robots Episódio 55

We present a comprehensive security assessment of Unitree's robotic ecosystem. We identified and exploited multiple security flaws across multiple communication channels, including Bluetooth, LoRa radio, WebRTC, and cloud management services. Besides pwning multiple traditional binary or web vulnerabilities, we also exploit the embodied AI agent in the robots, performing prompt injection and achieve root-level remote code execution. Furthermore, we leverage a flaw in cloud management services to take over any Unitree G1 robot connected to the Internet. By deobfuscating and patching the customized, VM-based obfuscated binaries, we successfully unlocked forbidden robotic movements restricted by the vendor firmware on consumer models such as the G1 AIR. We hope our findings could offer a roadmap for manufacturers to strengthen robotic designs, while arming researchers and consumers with critical knowledge to assess security in next-generation robotic systems.

60 min

S39 · E56 · 28 de dez de 2025

Suing spyware in Europe: news from the front! Episódio 56

In 2022, CitizenLab contacted a member of the Spanish non-profit Irídia to tell them that one of their members had likely been hacked with Pegasus spyware. The target, a lawyer, had been spied on by the Spanish government in 2020 because he represented a Catalan politician who was in prison. His phone was infected with Pegasus during the COVID-19 lockdown, on the same day he was having an online meeting with other lawyers working on the case. Irídia and the lawyer (Andreu) decided to take the case to court. A few years later, he met with Data Rights and invited them to join forces and bring in partners from across Europe to increase the impact. This collaboration led to the creation of the PEGA coalition in May 2025. This talk goes over the status of the case and work we have done across Europe to bring spyware use in court.

60 min

S39 · E57 · 28 de dez de 2025

Neue Chaos Events - InselChaos und Håck ma’s Castle plaudern aus dem Nähkästchen Episódio 57

Auf der Insel Rügen und in Österreich tut sich was - und zwar neue Chaos Events. Wir möchten über Anforderungen, Herausforderungen, Hürden, Erfahrungen und Glücksmomente aus unserer Sicht der Orga erzählen. Das InselChaos fand im LaGrange e.V. im September 2025 statt und bildet den Auftakt für weitere kreative, informative und chaotische Events auf der Insel Rügen. Das Håck ma’s Castle wird mit etwas Humor auch über Herausforderungen sprechen, welche unter anderem durch dezentrale Teams aus diversen Hackspaces entstehen.

60 min

S39 · E58 · 28 de dez de 2025

A post-American, enshittification-resistant internet Episódio 58

Trump has staged an unscheduled, midair rapid disassembly of the global system of trade. Ironically, it is this system that prevented all of America's trading partners from disenshittifying their internet: the US trade representative threatened the world with tariffs unless they passed laws that criminalized reverse-engineering and modding. By banning "adversarial interoperability," America handcuffed the world's technologists, banning them from creating the mods, hacks, alt clients, scrapers, and other tools needed to liberate their neighbours from the enshittificatory predations of the ketamine-addled zuckermuskian tyrants of US Big Tech. Well, when life gives you SARS, you make sarsaparilla. The Trump tariffs are here, and it's time to pick the locks on the those handcuffs and set the world's hackers loose on Big Tech. Happy Liberation Day, everyone!

60 min

S39 · E59 · 28 de dez de 2025

A space odyssey #2: How to study moon rocks from the Soviet sample return mission Luna 24 Episódio 59

It is 1976 and the USA long stopped going to the Moon when a Soviet automatic landing station called Luna 24 descends to the Lunar surface. It touches down on 3.3 Billion year old rock formations at a place no mission has ever gone before. What exactly happened remains a mystery to this day, but the space probe managed to take a 2.3 m long drill core from the Lunar regolith, packaged the sample in a genius way and launched it for its voyage to Earth. Some days later the sample entered earths atmosphere and landed in remote Siberia and ended up in our hands more than 50 Years later. We tell the story of the sample, the people that brought it to Earth and how we analyzed it with the newest methods including µm sized high intensity X-ray beams, 30kV electron beams and LN2 cooled infrared spectrometers.

60 min

S39 · E60 · 28 de dez de 2025

Agentic ProbLLMs: Exploiting AI Computer-Use and Coding Agents Episódio 60

This talk demonstrates end-to-end prompt injection exploits that compromise agentic systems. Specifically, we will discuss exploits that target computer-use and coding agents, such as Anthropic's Claude Code, GitHub Copilot, Google Jules, Devin AI, ChatGPT Operator, Amazon Q, AWS Kiro, and others. Exploits will impact confidentiality, system integrity, and the future of AI-driven automation, including remote code execution, exfiltration of sensitive information such as access tokens, and even joining Agents to traditional command and control infrastructure. Which are known as "ZombAIs", a term first coined by the presenter as well as long-term prompt injection persistence in AI coding agents. Additionally, we will explore how nation state TTPs such as ClickFix apply to Computer-Use systems and how they can trick AI systems and lead to full system compromise (AI ClickFix). Finally, we will cover current mitigation strategies and forward-looking recommendations and strategic thoughts.

60 min

S39 · E61 · 28 de dez de 2025

selbstverständlich antifaschistisch! Aktuelle Informationen zu den Verfahren im Budapest-Komplex Episódio 61

Mit den Prozessen im Budapest-Komplex wird ein Exempel statuiert - nicht nur gegen Einzelne, sondern gegen antifaschistische Praxis insgesamt. Die Behauptung einer kriminellen Vereinigung mit Mordabsichten stellt eine absurde juristische Eskalation des staatlichen Vorgehens gegen Antifaschist*innen dar und steht in keinem Verhältnis zu den verhandelten Vorkommnissen. Die Verfahren in dieser Weise zu verfolgen, lässt vor allem auf ein hohes Ausforschungs- und Einschüchterungsinteresse schließen. Mit dieser Prozesswelle und den Repressionen gegen Freund*innen und Angehörige wird antifaschistisches Engagement massiv kriminalisiert und ein verzerrtes Bild von politischem Widerstand gezeichnet - während gleichzeitig rechte Gewalt europaweit zunimmt und faschistische Parteien erstarken. Wir sehen, dass Angriffe auf Rechtsstaatlichkeit und Zivilgesellschaft immer weiter zunehmen.

40 min

S39 · E62 · 28 de dez de 2025

Chaospager - How to construct an Open Pager System for c3 Episódio 62

In this talk, we will give an introduction into the project (i.e. how it all started at 38c3 and why we are here now), provide an in-depth review of how the development process of our pager worked and what our future goals are. In our introduction, we will talk about the origin and exploration phase of the inital pager idea (i.e. how we went from the idea of bringing POCSAG Pager transmitter to 38c3, over a cable-bound prototype, to a first working pager on a proper PCB). We will also present our plans of connecting our POCSAG transmitter infrastructure to THOT (CERTs own dispatch software). For our in-depth review about the project, we explain how we encountered major reception problems, how we analyzed them at easterhegg22 and conducted experiments there, and why we are opting for a custom HF frontend design instead of an already-made one from chinese vendors. Moreover, we provide an overview of our transmitter devices and give some advice on how to replicate those.

40 min

S39 · E63 · 28 de dez de 2025

Chaos Communication Chemistry: DNA security systems based on molecular randomness Episódio 63

**Over the past few decades, nucleic acids have increasingly been investigated as alternative data storage media and platforms for molecular computing. This talk builds on past research and introduces another branch to the field: DNA cryptography based on random chemistry. This technology provides a platform for conceiving new security architectures that bridge the physical with the digital world.**

40 min

S39 · E64 · 28 de dez de 2025

Live, Die, Repeat: The fight against data retention and boundless access to data Episódio 64

Both within the EU as well as nationally in Germany, there exists a renewed drive to implement data retention, a practice struck down by the ECJ and discontinued in many national legislations. In parallel, cross-border access to stored data has been mandated within the EU as “e-evidence”, and will soon be extended to 90+ countries under the umbrella of the EU cybercrime convention. In principle, all data stored by service providers will be available to law enforcement as part of a criminal investigation. The timing of both initiatives is not coincidental, as access to data naturally relies on the availability of data. The talk will address the state of play on data retention in various legislations, and introduce the practice of cross border access to stored data by law enforcement as well as its shortcomings and threats to privacy and confidentiality.

40 min

S39 · E65 · 28 de dez de 2025

Power Cycle B7 oder Warum kauft man eine Zeche? Episódio 65

Aus einem Barwitz wurde ein Projekt! Blumenthal7 ist die letzte vollständig erhaltene Schachtanlage des ehemaligen Steinkohlebergwerks General Blumenthal in Recklinghausen im nördlichen Ruhrgebiet. Nach diversen Startschwierigkeiten ist aus im Dornröschenschlaf liegenden Industriebrache ein Projekt geworden das bereits jetzt einer Vielzahl von Entitäten und Gruppen eine Heimat und einen großen, nahezu grenzenlosen Spielplatz bietet. Begleitet uns gerne auf beim Power Cycle B7

40 min

S39 · E66 · 28 de dez de 2025

Cracking open what makes Apple's Low-Latency WiFi so fast Episódio 66

This talk presents Apple's link-layer protocol Low-Latency WiFi and how it achieves its real-time capabilities to enable Continuity features like Sidecar Display and Continuity Camera. We make more kernel logging available on iOS and build a log aggregator that combines and aligns system- and network-level log sources from iOS and macOS.

40 min

S39 · E67 · 28 de dez de 2025

Awful interception: misadventures of the russian surveillance machinery Episódio 67

This talk is a multidisciplinary tale about Awful Interception. One foot in network measurements and network scanning, other in sociology of technologies, it draws a very detailed portrait of the russian surveillance industry. Our small team from the Citizen Lab (University of Toronto) and the Center for Internet and Society of the CNRS (France) have been looking at the so-called SORM systems since 2017. SORM is the abbreviation used to describe the set of hardware and software solutions designed to mirror, store and transmit user traffic from ISPs to the FSB. By the time of writing of this proposal, the usage of SORM has been also extended to the occupied territories of Ukraine. We wanted to really understand what kinds of data SORM can see, how it stores and transmits data, but also how it is implemented at the ISP level and how it is used in courts (well, it was supposed to help "prevent crime" after all).

40 min

S39 · E68 · 28 de dez de 2025

Amateurfunk im All – Kontakt mit Fram2 Episódio 68

Wir geben Einblicke in zwei intensive Wochen Planung, Koordination und Aufbau, den Betrieb einer (improvisierten) Bodenstation, sprechen über technische Hürden, Antennendesign und Organisation – und wie wir schließlich mit Astronautin Rabea Rogge im Weltraum gefunkt haben.

40 min

S39 · E69 · 28 de dez de 2025

Über europäische Grenzen hinweg auf klinischen Daten rechnen - aber sicher! Episódio 69

(NO RECORDING) Der Trend geht dahin, aus Gesundheitsdaten große zentralisierte Datenbanken aufzubauen. Eine datensparsame Alternative dazu ist, in einem verschlüsseltem Netzwerk gemeinsam auf verteilten privaten Daten zu rechnen, ohne sie miteinander teilen zu müssen. Perspektivisch können so demokratischere Datenströme geschaffen werden, die Patient:innen als aktiv Teilhabende statt als passive Datenquellen einbinden. Kommt mit auf eine Reise, die vor sechs Jahren in Deutschland gestartet ist und jetzt die erste europäische klinische Studie mit Secure Multiparty Computation (SMPC) realisiert hat.

100 min

S39 · E70 · 28 de dez de 2025

CCC-Jahresrückblick Episódio 70

Das war nicht das Jahr 2025, das wir bestellt hatten.

40 min

S39 · E71 · 28 de dez de 2025

Persist, resist, stitch Episódio 71

What does knitting have to do with espionage? Can embroidery help your mental health? This talk shows how the skills to create textile art have enabled people to resist and to persist under oppressive regimes for centuries. And it offers ways to keep doing so.

40 min

S39 · E72 · 28 de dez de 2025

Lessons from Building an Open-Architecture Secure Element Episódio 72

The talk will be about our experience from building an open-architecture secure element from the ground up. It explains why openness became part of the security model, how it reshaped design and development workflows, and where reality pushed back — through legal constraints, third-party IP, or export controls. It walks through the secure boot chain, attestation model, firmware update flow, integration APIs, and the testing framework built for external inspection. Real examples of security evaluations by independent researchers are presented, showing what was learned from their findings and how those exchanges raised the overall security bar. The goal is to provoke discussion on how open collaboration can make hardware more verifiable, adaptable, auditable and while keeping secure.

40 min

S39 · E73 · 28 de dez de 2025

Auf die Dauer hilft nur Power: Herausforderungen für dezentrale Netzwerke aus Sicht der Soziologie Episódio 73

Der Vortrag diskutiert Herausforderungen dezentraler Netzwerke aus soziologischer Perspektive. Als dezentrale Netzwerke werden technische Infrastrukturen verstanden, die nicht von einer zentralen Autorität, sondern verteilt über Instanzen zur Verfügung gestellt werden. Nutzer:innen profitieren von dieser Infrastruktur, nutzen beispielsweise das Fediverse oder das Tor-Netzwerk, ohne zur Infrastruktur beizutragen. Zugleich können dezentrale Netzwerke nur dann bestehen, wenn hinreichende Ressourcen von Personen oder Organisationen mobilisiert werden, um das Netzwerk überhaupt zur Verfügung zu stellen. Dies führt zur originären Instabilität dezentraler Netzwerke, wenn nicht der Weg der Kommodifizierung des Nutzer:innenverhaltens eingeschlagen wird. Aufbauend auf dieser Zustandsbeschreibung, werden Bedingungen erörtert, um Kollektivgüter wie dezentrale Netzwerke organisatorisch (und nicht technisch) herzustellen.

40 min

S39 · E74 · 28 de dez de 2025

Current Drone Wars Episódio 74

The character of drone wars has changed. The large, cumbersome long-range drones have been complemented with small and low-budget drones. Moreover, more and more states are developing, deploying and selling them. Ten years ago at least 50 states were developing them. At the top are USA, Israel, Turkey, China, Iran and Russia. Russia's attack on Ukraine has unleashed a drone war unlike any seen before. In short time the Ukraine has build significant drone production capabilities and announcement that it will increase its own production of quadcopters and kamikaze drones to one million units per year. German defense companies and startups are now promoting a “drone wall on NATO's eastern flank.” Moreover, despite their vulnerability to air defenses, large drones are also being further developed. They are intended to accompany next generation fighter jets in swarms. In this talk, past and current developments are discussed. What are the perspectives now?

40 min

S39 · E75 · 28 de dez de 2025

Variable Fonts — It Was Never About File Size Episódio 75

A brief history of typographic misbehavior or intended and unintended uses of variable fonts. Nine years after the introduction of variable fonts, their most exciting uses have little to do with what variable fonts originally were intended for and their original promise of smaller file sizes. The talk looks at how designers turned a pragmatic font format into a field for experimentation — from animated typography and uniwidth button text to pattern fonts and typographic side effects with unintended aesthetics. Using examples from projects such as TypoLabs, Marjoree, Kario (the variable font that’s used as part of the 39C3 visual identity), and Bronco, we’ll explore how variable fonts evolved from efficiency tools into creative systems — and why the most interesting ideas often emerge when technology is used in unintended ways.

40 min

S39 · E76 · 28 de dez de 2025

A Quick Stop at the HostileShop Episódio 76

Nothing stops [this train](https://ai-2027.com/). It just [might not arrive on schedule](https://www.interconnects.ai/p/brakes-on-an-intelligence-explosion)... LLMs appear unlikely to become capable of either true human-level novelty creation or AGI. However, they excel at task execution in [well-established task domains](https://epochai.substack.com/p/most-ai-value-will-come-from-broad), even exceeding most humans in some of these domains. This capability set has yielded an "Agentic Revolution", where LLMs are being deployed as components of software systems for various tasks. These **LLM Agents** work **_just well enough_** to deploy in scenarios for which they are either [not yet safe]

40 min

S39 · E77 · 28 de dez de 2025

In-house electronics manufacturing from scratch: How hard can it be? Episódio 77

Why is electronics manufacturing hard? Can it ever be made easy and more accessible? What will it take to relocate industrial production to Europe? We share with you what we learned when we spent more than 1 year setting up our own production line in our office in Hamburg. Turns out a lot of the difficulties are rarely talked about or hidden behind "manufacturing is high CAPEX". Come and learn with us the nitty gritty details of batch reflow ovens, stencil printing at scale, and how OpenPnP is a key enabler in our process. While we are far from done with this work, we hope to see others replicate it and collectively reclaim the ownership of the means of electronics production.

40 min

S39 · E78 · 28 de dez de 2025

CPU Entwicklung in Factorio: Vom D-Flip-Flop bis zum eigenen Betriebssystem Episódio 78

Factorio ist ein Fabriksimulationsspiel mit integriertem Logiksystem. Dies ermöglichte mir den Bau einer CPU, die unter anderem aus einer 5-stufiger Pipeline, einer Forwarding Logikeinheit, Interrupt Handling sowie einem I/O Interface besteht. Über einen selbst geschriebenen Assembler konnte ich ein eigenes Betriebssystem und Programme wie Minesweeper oder Snake integrieren. Der Talk soll euch zeigen, wie sich klassische Computerarchitektur in einem völlig anderen technischen Kontext umsetzen lässt und wo dabei überraschend echte Probleme der CPU-Entwicklung auftreten. Kommt mit auf die Reise: Vom Blick auf den gesamten Computer bis hinunter zu den einzelnen Logikgattern ist es nur eine Mausradbewegung entfernt!

40 min

S39 · E79 · 28 de dez de 2025

Amtsgeheimnis raus, Datenhalde rein: was die Informationsfreiheit in Österreich bringt Episódio 79

Jahrelang war die staatliche Intransparenz in Österreich nur eine Punchline in den Congress-Talks von Frag Den Staat. Damit könnte jetzt Schluss sein: seit heuer haben Bürger:innen endlich ein Recht, Dokumente einzusehen und ein Informationsfreiheitsgesetz. Wir zeigen, was Deutschland aus der über ein Jahrzehnt andauernden Kampagne für die Abschaffung des Amtsgeheimnisses lernen kann, wofür uns die Nachbarländer beneiden werden und wofür sich Bayern besonders schämen sollte.

40 min

S39 · E80 · 28 de dez de 2025

How to render cloud FPGAs useless Episódio 80

While FPGA developers usually try to minimize the power consumption of their designs, we approached the problem from the opposite perspective: what is the maximum power consumption that can be achieved or wasted on an FPGA? Short answer: we found that it’s easy to implement oscillators running at 6 GHz that can theoretically dissipate around 20 kW on a large cloud FPGA when driving the signal to all the available resources. It is interesting to note that this power density is not very far away from that of the surface of the sun. However, such power load jump is usually not a problem as it will trigger some protection circuitry. This led us to the next question: would a localized hotspot with such power density damage the chip if we remain within the typical power envelope of a cloud FPGA (~100 W)?

40 min

S39 · E81 · 28 de dez de 2025

freiheit.exe - Utopien als Malware Episódio 81

"freiheit.exe“ ist eine Lecture über die ideologischen Rootkits des Silicon Valley. Sie schlägt den Bogen von den italienischen Futuristen zu den heutigen Tech-Feudalisten, vom Akzelerationismus zur Demokratieskepsis der Libertären, von Tolkien zur PayPal-Mafia. Basierend auf den Recherchen zu meinem Theaterstück "freiheit.exe. Utopien als Malware", in dem journalistische Analyse auf performative Darstellung trifft.

40 min

S39 · E82 · 28 de dez de 2025

Recharge your batteries with us - an empowering journey through the energy transition Episódio 82

Amidst gloomy headlines, extreme weather, and climate anxiety, the good stories often get lost. Yet they exist - inspiring people, clever engineering, real breakthroughs. And that's exactly what we bring you – the positive power cycles of the energy transition in action. And real energy on stage.

40 min

S39 · E83 · 28 de dez de 2025

Prometheus: Reverse-Engineering Overwatch Episódio 83

This talk explores the internals of Overwatch which make the game work under the hood. The end goal is to democratise development of Overwatch. Being able to host your own servers and modify the game client to your liking should not be up for discussion for a game many people have paid money for.

40 min

S39 · E84 · 28 de dez de 2025

Trump government demands access to European police databases and biometrics Episódio 84

The USA is demanding from all 43 countries in the "Visa Waiver Programme" (VWP), which enables visa-free travel, to conclude an "Enhanced Border Security Partnership" (EBSP). This is intended to grant US authorities direct access to police databases in these - mostly European - countries containing fingerprints, facial images and other personal data. Anyone who refuses this forced "border partnership" faces exclusion from the visa-free travel programme.

40 min

S39 · E85 · 28 de dez de 2025

Verlorene Domains, offene Türen - Was alte Behördendomains verraten Episódio 85

Was passiert, wenn staatliche Domains auslaufen - und plötzlich jemand anderes sie besitzt? In diesem Vortrag wird berichtet, wie mehrere ehemals offizielle, aber unregistrierte Domains deutscher Bundesministerien und Behörden erworben werden konnten - und welche Datenströme dadurch sichtbar wurden. Über Monate hinweg konnten so DNS-Anfragen aus Netzen des Bundes empfangen werden - ein erhebliches Sicherheitsrisiko. Unter anderem da es so möglich war Accounts zu übernehmen, Validierungen von E-Mailsignaturen zu manipulieren, Anfrage umzuleiten und im Extremfall Code auf Systemen auszuführen. (Keine sensiblen Daten werden veröffentlicht; der Fokus liegt auf Forschung, Aufklärung und verantwortungsvollem Umgang mit den Ergebnissen.)

40 min

S39 · E86 · 28 de dez de 2025

CSS Clicker Training: Making games in a "styling" language Episódio 86

CSS is a programming language, and you can make games in it. Let's install NoScript and make some together!

40 min

S39 · E87 · 28 de dez de 2025

Wie wir alte Flipperautomaten am Leben erhalten Episódio 87

Der Vortrag beschreibt, wie eine Gruppe von Begeisterten eine Sammlung von ca. 100 Flipperautomaten (Pinball Machines) am Leben und in spielbereitem Zustand erhält.

40 min

S39 · E88 · 28 de dez de 2025

Power Cycles statt Burnout – Wie Einflussnahme nicht verpufft Episódio 88

Zwischen offenen Briefen, Massenmails, Petitionen und Kaffee trinken : Zwei Ex-Insiderinnen aus dem Digitalausschuss und Bundestag erzählen, wie politische Einflussnahme wirklich funktioniert. Ein ehrlicher Blick hinter die Kulissen parlamentarischer Entscheidungsfindung – mit praktischen Tipps, wie die Zivilgesellschaft ihre Energie dort einsetzt, wo sie wirklich Wirkung entfaltet.

40 min

S39 · E89 · 28 de dez de 2025

Don’t look up: There are sensitive internal links in the clear on GEO satellites Episódio 89

We pointed a commercial-off-the-shelf satellite dish at the sky and examined all of the geostationary satellite communications visible from our vantage point. A shockingly large amount of sensitive traffic is being broadcast unencrypted, including critical infrastructure, internal corporate and government communications, private citizens’ voice calls and SMS, and consumer Internet traffic from in-flight wifi and mobile networks.

40 min

S39 · E90 · 28 de dez de 2025

Textiles 101: Fast Fiber Transform Episódio 90

Textiles are everywhere, yet few of us know how they’re made. This talk aims to give you an overview over the complete transformation from fiber to finished textile. We'll be exploring fiber properties, spinning, and techniques like weaving, knitting, crochet, braiding, and knotting, followed by finishing methods such as dyeing, printing, and embroidery. You’ll learn why not only fiber but also structure matters, and how to make or hack textiles on your own without relying on fast fashion or industrial tools.

40 min

S39 · E91 · 28 de dez de 2025

How To Minimize Bugs in Cryptography Code Episódio 91

"Don't roll your own crypto" is an often-repeated aphorism. It's good advice -- but then how does any cryptography get made? Writers of cryptography code like myself write code with bugs just like anyone else, so how do we take precautions against our own mistakes? In this talk, I will give a peek into the cryptographer's toolbox of advanced techniques to avoid bugs: targeted testing, model checking, mathematical proof assistants, information-flow analysis, and more. None of these techniques is a magic silver bullet, but they can help find flaws in reasoning about tricky corner cases in low-level code or prove that higher-level designs are sound, given a defined set of assumptions. We'll go over some examples and try to give a high-level feel for different workflows that create "high-assurance" code. Whether you know it or not, you use this type of cryptography code every day: in your browser, your messaging apps, and your favorite programming language standard libraries.

40 min

S39 · E92 · 28 de dez de 2025

Machine Vision – Vom Algorithmus zum Baumpilz im digitalen Metabolismus Episódio 92

Milliarden von Kameras produzieren täglich Bilder, die zunehmend von Maschinen analysiert werden. In dieser Lecture Performance beleuchten wir die Entwicklung des maschinellen Sehens – von den frühen algorithmischen Ansätzen bis zu den heutigen Anwendungen – und schauen, wie verschiedene Künstler:innen diese Technologien nutzen und reflektieren. Anhand der beiden Arbeiten „Throwback Environment” und „Fomes Fomentarius Digitalis” betrachten wir die Nutzung des maschinellen Sehens in einem künstlerischen Feedback-Loop. Die Arbeiten machen sichtbar, was die eingesetzten Algorithmen sehen und in welchen Mustern sie operieren.

40 min

S39 · E93 · 28 de dez de 2025

Xous: A Pure-Rust Rethink of the Embedded Operating System Episódio 93

Xous is a message-passing microkernel implemented in pure Rust, targeting secure embedded applications. This talk covers three novel aspects of the OS: hardware MMU support (and why we had to make our own chip to get this feature), how and why we implemented the Rust standard library in Rust (instead of calling the C standard library, like most other Rust platforms), and how we combine the power of Rust semantics with virtual memory to create safe yet efficient asynchronous messaging primitives. We conclude with a short demo of the OS running on a new chip, the "Baochip-1x", which is an affordable, mostly-open RTL SoC built in 22nm TSMC, configured expressly for running Xous.

40 min

S39 · E94 · 28 de dez de 2025

51 Ways to Spell the Image Giraffe: The Hidden Politics of Token Languages in Generative AI Episódio 94

Generative AI models don't operate on human languages – they speak in **tokens**. Tokens are computational fragments that deconstruct language into subword units, stored in large dictionaries. These tokens encode not only language but also political ideologies, corporate interests, and cultural biases even before model training begins. Social media handles like *realdonaldtrump*, brand names like *louisvuitton*, or even *!!!!!!!!!!!!!!!!* exist as single tokens, while other words remain fragmented. Through various artistic and adversarial experiments, we demonstrate that tokenization is a political act that determines what can be represented and how images become computable through language.

40 min

S39 · E95 · 28 de dez de 2025

When Vibe Scammers Met Vibe Hackers: Pwning PhaaS with Their Own Weapons Episódio 95

What happens when AI-powered criminals meet AI-powered hunters? A technical arms race where both sides are vibing their way through exploitation—and the backdoors write themselves. In October 2025, we investigated Taiwan's fake delivery scam ecosystem targeting convenience store customers. What started as social engineering on social media became a deep dive into two distinct fraud platforms—both bearing the unmistakable fingerprints of AI-generated code. Their developers left more than just bugs: authentication flaws, file management oversights, and database implementations that screamed "I asked LLM and deployed without reading." We turned their sloppiness into weaponized OSINT. Through strategic reconnaissance, careful database analysis, and meticulous operational security, we achieved complete system access on multiple fraud infrastructures.

90 min

S39 · E96 · 28 de dez de 2025

The Maybe Talent Show Episódio 96

(NO RECORDING) Come on stage and present things you are very bad in. Or just mediocre. Get raging applause and love from the audience! Hosted by the drag-quings Norman Müller-Schmitz and James Bonne d'age this open stage celebrates trying, failing and the beauty of discovering hidden Talents together when the most beautiful cuties from the audience enter the stage to try something they have absolutely no experience in.

40 min

S39 · E97 · 28 de dez de 2025

Code to Craft: Procedural Generation for the Physical World Episódio 97

Join bleeptrack for a deep dive into the fascinating world of procedural generation beyond the screen. From stickers and paper lanterns to PCBs, furniture, and even physical procedural generators, this talk explores the challenges and creative possibilities of bringing generative projects into tangible form.

40 min

S39 · E98 · 28 de dez de 2025

Reverse engineering the Pixel TitanM2 firmware Episódio 98

The TitanM2 chip has been central to the security of the google pixel series since the Pixel 6. It is based on a modified RISC-V design with a bignum accelerator. Google added some non standard instructions to the RISC-V ISA. This talk investigates the reverse engineering using Ghidra, and simulation of the firmware in python.

40 min

S39 · E99 · 28 de dez de 2025

The Small Packet of Bits That Can Save (or Destabilize) a City Episódio 99

The Emergency Alert System (EAS) and its SAME (Specific Area Message Encoding) protocol are public alerting technologies that broadcast short digital bursts over VHF triggering emergency messages on millions of receivers across North America. In Mexico, this technology was integrated into the Seismic Alert System (SASMEX) which more than 30 million people in the central part of the country rely on to prepare for frequent earthquakes. While new alerting technologies have emerged, the EAS-SAME network continues to play an important role for public safety in the U.S., Mexico, and Canada. Yet, the same small packets of bits that can help protect a city could also, in the wrong hands, destabilize it. This talk examines how these systems operate and reveals a troubling truth: spoofing these alerts is far easier than most people expect.

90 min

S39 · E100 · 28 de dez de 2025

GPTDash – Der Reverse-Turing-Test Episódio 100

KIs (bzw. LLMs) wirken immer menschlicher. Schon längst ist es schwer bis unmöglich zu erkennen, ob ein Text von einer KI oder einem Menschen geschrieben wurde. Maschinen dringen immer mehr in den menschlichen Diskurs ein. Wir wollen das nicht länger hinnehmen und drehen den Spieß um.

105 min

S39 · E101 · 29 de dez de 2025

Azubi-Tag Einführung Episódio 101

(NO RECORDING) Jedes Jahr zwischen Weihnachten und Neujahr treffen sich tausende Hacker*innen zum Chaos Communication Congress in Hamburg. Der Azubi-Tag ist eine günstige Gelegenheit für Auszubildende, den Congress zu besuchen, den CCC kennenzulernen und viel über IT-Security, Technik und Gesellschaft zu lernen. Wir freuen uns, diesen Tag nun zum dritten Mal anbieten zu können.

40 min

S39 · E102 · 29 de dez de 2025

Greenhouse Gas Emission Data: Public, difficult to access, and not always correct Episódio 102

Data about greenhouse gas emissions, both from countries and individual factories, is often publicly available. However, the data sources are often not as accessible and reliable as they should be. EU emission databases contain obvious flaws, and nobody wants to be responsible.

40 min

S39 · E103 · 29 de dez de 2025

Design for 3D-Printing Episódio 103

3D-Printers have given us all the unprecedented ability to manufacture mechanical parts with a very low barrier to entry. The only thing between your idea and its physical manifestation is the process of designing the parts. However, this is actually a topic of incredible depth: Design engineering is a whole discipline to itself, built on top of tons and tons of heuristics to produce shapes that are functional, strong, and importantly: well-manufacturable In this talk, I will present the rules for designing well-printable parts and touch on other areas of design considerations so you can learn to create parts that work first try and can be reproduced by others on their 3d-printers easily.

120 min

S39 · E104 · 29 de dez de 2025

Lightning Talks - Tag 3 Episódio 104

Lightning Talks

40 min

S39 · E105 · 29 de dez de 2025

The Museum of Care: Open-Source Survival Kit Collection Episódio 105

The Survival Kit Collection, launched by the David Graeber Institute, brings together collectives to develop “social technologies” for survival—spirulina farms, self‑replicating 3D printers, modular housing, and low‑cost water and solar solutions. By starting a conversation about open source technologies, the project aims to re-imagine technology on the basis of care to address today’s ecological and social crises. In 2019, together with David Graeber, we held the first workshop about the Museum of Care at CCC to reimagine the relation between freedom, technology and value. Over these 6 years, the Museum of Care has grown into a gathering place alive with ideas and resources curated by people from around the world. In our talk, we want to report on the work we have done at the museum.

40 min

S39 · E106 · 29 de dez de 2025

Celestial navigation with very little math Episódio 106

Learn how to find your position using a sextant and a custom slide rule, almost no math required!

40 min

S39 · E107 · 29 de dez de 2025

a media-almost-archaeology on data that is too dirty for "AI" Episódio 107

when datasets are scaled up to the volume of (partial) internet, together with the idea that scale will average out the noise, large dataset builders came up with a human-not-in-the-loop, cheaper-than-cheap-labor method to clean the datasets: heuristic filtering. Heuristics in this context are basically a set of rules came up by the engineers with their imagination and estimation to work best for their perspective of “cleaning”. Most datasets use heuristics adopted from existing ones, then add some extra filtering rules for specific characteristics of the datasets. I would like to invite you to have a taste together of these silent, anonymous yet upheld estimations and not-guaranteed rationalities in current sociotechnical artifacts, and on for whom these estimations are good-enough, as it will soon be part our technological infrastructures.

40 min

S39 · E108 · 29 de dez de 2025

Hacking Karlsruhe - 10 years later Episódio 108

"Wir gehen nach Karlsruhe!“ – das klang vor zehn Jahren nach Aufbruch und juristischem Hack. Heute ist klar: Strategische Prozessführung ist kein Sprint, sondern ein zähes, manchmal frustrierendes Dauerprojekt. In diesem Talk ziehen wir Bilanz: Was haben wir mit zivilgesellschaftlichen Verfassungsbeschwerden im Bereich Technologie erreicht – und wo sind wir gescheitert? Welche Fehler würden wir heute vermeiden, welche Wege waren richtig? Und was bedeutet es, wenn das höchste deutsche Gericht zunehmend weniger Lust auf digitalpolitische Grundrechtsfragen zeigt? Ein realistischer Blick hinter die Kulissen strategischer Klagen – und die Frage: Wie hackt man das Rechtssystem im Jahr 2025?

40 min

S39 · E109 · 29 de dez de 2025

What Makes Bike-Sharing Work? Insights from 43 Million Kilometers of European Cycling Data Episódio 109

Bike- and e-bike-sharing promise sustainable, equitable mobility - but what makes these systems successful? Despite hundreds of cities operating thousands of shared bikes, trip data is rarely public. To address this, we built a geospatial analysis pipeline that reconstructs trip data from publicly accessible system status feeds. Using this method, we gathered **43 million km** of bike-sharing trips across **268 European cities**. Combined with over **100 urban indicators** per city, our analyses reveal how infrastructure, climate, demographics, operations, and politics shape system performance. We uncover surprising insights - such as why some e-bike systems underperform despite strong demand - and highlight how cities can design smarter, fairer mobility. All data and code are open-source, with an interactive demo at [dataviz.nefton.de](https://dataviz.nefton.de/).

40 min

S39 · E110 · 29 de dez de 2025

Teckids – eine verstehbare (digitale) Welt Episódio 110

Die Teckids-Gemeinschaft bringt Kinder, Jugendliche und Erwachsene zusammen, um gemeinsam aktiv für eine verstehbare (digitale) Welt zu sein.

40 min

S39 · E111 · 29 de dez de 2025

BE Modded: Exploring and hacking the Vital Bracelet ecosystem Episódio 111

The Vital Bracelet series is an ecosystem of interactive fitness toys, content on memory chips, and apps that talk via NFC. In this talk, we'll explore the hardware and software of the series, from its obscure CPU architecture, to how it interacts with the outside world, from dumping OTP ROMs and breaking security, to making custom firmware.

40 min

S39 · E112 · 29 de dez de 2025

Wer hat Angst vor dem Neutralitätsgebot? Episódio 112

Wer überhaupt „neutral“ sein muss, was das bedeutet, und wer sich jetzt wehren muss.

40 min

S39 · E113 · 29 de dez de 2025

Shit for Future: turning human shit into a climate solution Episódio 113

Humanity has already crossed the point where simply reducing emissions will no longer be enough to keep global warming below 2°C. According to the IPCC (AR6, WGIII), it is now essential to actively remove greenhouse gases from the atmosphere in order to meet global climate targets, maintain net-zero (or even net-negative emissions), and address the burden of historical emissions. At the same time, degraded soils and the climate crisis are a threat to global food security. Two years ago, I presented an overview of different methods available for carbon dioxide removal. Today, I want to show you an example of how CO₂ can be removed from the atmosphere while simultaneously improving the lives of local communities: Human shit. Human shit is a high abundant biomass, contains critical nutrients for global food security, and causes serious health and environmental issues from poor or non-existent treatment outside industrial countries.

40 min

S39 · E114 · 29 de dez de 2025

Watch Your Kids: Inside a Children's Smartwatch Episódio 114

Join us as we hack at a popular children's smartwatch and expose the secrets of every fifth child in Norway, their parents, and millions more.

40 min

S39 · E115 · 29 de dez de 2025

When 8 Bits is Overkill: Making Blinkenlights with a 1-bit CPU Episódio 115

Over the last half year I have explored the Motorola mc14500 - a CPU with a true one-bit architecture - and made it simulate Conway's Game of Life. This talk gives a look into how implementing a design for such a simplistic CPU can work, and how it's possible to address 256 LEDs and half a kiloword of memory with just four bits of address space.

60 min

S39 · E116 · 29 de dez de 2025

Supplements und Social Media – wenn der Online-Hype zur realen Gesundheitsgefahr wird Episódio 116

Nicht zuletzt durch die Werbung in den sozialen Medien werden in Deutschland immer mehr Nahrungsergänzungsmittel verkauft. Einige Influencer bringen sogar ihre eigenen Präparate auf den Markt. Gleichzeitig häufen sich Fälle, in denen die Einnahme von vermeintlich harmlosen „Supplements“ zu Gesundheitsschäden geführt hat. Der Vortrag will daher die Mechanismen hinter dem Supplement-Hype aufzeigen, zudem erklären, warum aktuell ein ausreichender Verbraucherschutz insbesondere im Internet nicht gewährleistet werden kann, wo Handlungsbedarf für die Politik besteht und wie man sich selbst vor fragwürdigen Produkten schützen kann.

60 min

S39 · E117 · 29 de dez de 2025

Programmierte Kriegsverbrechen? Über KI-Systeme im Kriegseinsatz in Gaza und warum IT-Fachleute ... Episódio 117

Die automatisierten Zielsysteme des israelischen Militärs zeigen gut, wie KI-baserte Kriegsautomatisierung aktuell aussieht, was daran falsch läuft und warum wir Techies uns einmischen müssen

60 min

S39 · E118 · 29 de dez de 2025

Making the Magic Leap past NVIDIA's secure bootchain and breaking some Tesla Autopilots ... Episódio 118

The Tegra X2 is an SoC used in devices such as the Magic Leap One, and Tesla's Autopilot 2 & 2.5 promising a secure bootchain. But how secure really is the secure boot? In this talk I go over how I went from a secured Magic Leap One headset, to exploiting the bootloader over USB, to doing fault injection to dump the BootROM, to finding and exploiting an unpatchable vulnerability in the BootROM's USB recovery mode affecting all Tegra X2s.

60 min

S39 · E119 · 29 de dez de 2025

Learning from South Korean Telco Breaches Episódio 119

2025 was a bad year for South Korean mobile network operators. All three operators (SK Telecom, KT, LG U+) were affected by breach in some part of their respective network: HSS of SK Telecom, femtocells of KT. Meanwhile, handling of the breach by each operators and post-mortem analysis of each breaches have stark differences. The technical details and implemented mitigations are often buried under the vague terms, and occasionally got lost in translation to English. In this talk, I will cover the technical aspects of SK Telecom and KT's breach, and how the operators are coping to the breach and what kind of measurements have been performed to secure their network.

60 min

S39 · E120 · 29 de dez de 2025

Gegenmacht - Best of Informationsfreiheit Episódio 120

Sind mehr Infos wirklich die Lösung? Ob Jens Spahn, Philipp Amthor oder Friedrich Merz - sie alle sagen offen, was sie vorhaben und machen keinen Hehl aus ihren Verbindungen zur Trump-Regierung, zu Milliardären und der fossilen Lobby. Was bringt Transparenz in Zeiten der autoritären Wende?

60 min

S39 · E121 · 29 de dez de 2025

There is NO WAY we ended up getting arrested for this (Malta edition) Episódio 121

3 years ago, 3 Maltese students were arrested and charged with computer misuse after disclosing a vulnerability to a local company that developed a mobile app for students. Through persistent media pressure, the students managed to obtain a presidential pardon to drop the case and funding for their lawyers. However, through this journey, there were mentions of punishment for retaliating through media disclosure. The story has not concluded, and there will be no amendments to the Maltese computer misuse law for the foreseeable future.

60 min

S39 · E122 · 29 de dez de 2025

APT Down and the mystery of the burning data centers Episódio 122

In August 2025 Phrack published the dump of an APT member's workstation. It was full of exploits and loot from government networks, cell carriers and telcos. The dump sparked a government investigation, and corpos like LG and Korea Telecom were asked to explain themselves. Hours before an onsite audit, the data center mysteriously caught fire, destroying almost a hundred servers. Then another data center burned - and unfortunately, there was even one death. The talk aims to revisit this mysterious sequence of tragic incidents. [TW: Suicide, self-harm]

60 min

S39 · E123 · 29 de dez de 2025

Von wegen Eisblumen! Wie man mit Code, Satelliten und Schiffsexpeditionen die bunte Welt des ... Episódio 123

Die Arktis ist eine Region, in der die Sonne monatelang weg ist, dickes Meereis den Weg versperrt und deshalb Forschungsdaten ziemlich rar sind. Kompliziert also, herauszufinden was im Wasser blüht! Mit einer Kombination aus Satellitenbildern, Expeditionen und Modellsimulationen auf Hochleistungsrechnern versuche ich, das Verborgene sichtbar zu machen: die faszinierende, farbenfrohe Welt des arktischen Phytoplanktons.

60 min

S39 · E124 · 29 de dez de 2025

Schlechte Karten - IT-Sicherheit im Jahr null der ePA für alle Episódio 124

Seit Mitte 2025 steht die elektronische Patientenakte für alle zur Verfügung – nach ein paar kleineren oder größeren Sicherheitsproblemen im Vorfeld, sei es vor einem Jahr auf dem 38C3 oder Ende April zum deutschlandweiten Start. Zeit ein Fazit zu ziehen: Ist die ePA jetzt sicher? Wurden nachhaltige Veränderungen durchgeführt, die zu mehr Sicherheit führen? Kann der Umgang mit der IT-Sicherheit «eines der größten IT-Projekte der Bundesrepublik» für zukünftige Digitalprojekte hilfreich sein? Zeit, mit etwas Abstand auf das zu blicken, was war, was ist und was sich abzeichnet nicht nur bei der ePA, sondern auch beim Umgang mit IT-Sicherheit bei ähnlichen Vorhaben in Deutschland. Eine umfassende Analyse der Historie und der Ursachen einer der weitreichendsten Fehlentwicklungen im Bereich der IT-Sicherheit der letzten Jahre, die sich in weit mehr zeigt, als nur in schlechter Prüfung der Anwesenheit von Gesundheitskarten im Gesundheitswesen.

60 min

S39 · E125 · 29 de dez de 2025

Set-top box Hacking: freeing the 'Freebox' Episódio 125

The French ISP 'Free' was the first to introduce a set-top box in France in 2002, named the Freebox. Four years later, the fifth version of the Freebox was released and distributed to customers. It comprises two devices: a router, and a PVR called the Freebox HD, both running Linux. The Freebox HD had innovative features at the time, such as live television control and HD capabilities. Such a device has a lot of potential for running homebrew, so I decided to hack it. I present how I got arbitrary code execution on the Freebox HD and then root privileges, using a chain of two 0-day exploits, one of which is in the Linux kernel. I then analyze the device, run homebrew software, and explain the structure of the ISP's private network that I uncovered while exploring the device.

60 min

S39 · E126 · 29 de dez de 2025

Wer liegt hier wem auf der Tasche? Genug mit dem Bürgergeld-Fetisch. Stürmt die Paläste! Episódio 126

Das Bürgergeld ist Geschichte. An seine Stelle tritt eine Grundsicherung, die auf kalkulierten Verfassungsbruch setzt. Totalsanktionen, Vermittlungsvorrang, Quadratmeterdeckel, jeder Move bedeutet umfassendere staatliche Überwachung. Die Bezahlkarte soll in Hamburg perspektivisch zunächst auf Sozialhilfe‑ und Jugendhilfebeziehende ausgeweitet werden. Sind Bürgergeldbeziehende als nächstes dran?

60 min

S39 · E127 · 29 de dez de 2025

The Last of Us - Fighting the EU Surveillance Law Apocalypse Episódio 127

The virus of surveillance is spreading across the European Union. In the form of its "ProtectEU" Internal Security Strategy, the European Commission is planning to attack encryption, re-introduce mandatory data retention and strengthen Europol and Frontex, the main agents of its oppressive law enforcement infrastructure. In this talk, we will journey the wastelands of the EU surveillance apocalypse together: We will take a close look at what politicians are planning to undermine our fundamental rights, the technology involved, and the real harms we must fight. From there, we will chart pathways to resistance and collective immunity against a surveillance agenda that requires us to form new alliances and re-think mobilization.

60 min

S39 · E128 · 29 de dez de 2025

AI Agent, AI Spy Episódio 128

Agentic AI is the catch-all term for AI-enabled systems that propose to complete more or less complex tasks on their own, without stopping to ask permission or consent. What could go wrong? These systems are being integrated directly into operating systems and applications, like web browsers. This move represents a fundamental paradigm shift, transforming them from relatively neutral resource managers into an active, goal-oriented infrastructure ultimately controlled by the companies that develop these systems, not by users or application developers. Systems like Microsoft's "Recall," which create a comprehensive "photographic memory" of all user activity, are marketed as productivity enhancers, but they function as OS-level surveillance and create significant privacy vulnerabilities. In the case of Recall, we’re talking about a centralized, high-value target for attackers that poses an existential threat to the privacy guarantees of meticulously engineered applications like Signal.

40 min

S39 · E129 · 29 de dez de 2025

Build a Fake Phone, Find Real Bugs: Qualcomm GPU Emulation and Fuzzing with LibAFL QEMU Episódio 129

Mobile phones are central to everyday life: we communicate, entertain ourselves, and keep vast swaths of our digital lives on them. That ubiquity makes high-risk groups such as journalists, activists, and dissidents prime targets for sophisticated spyware that exploits device vulnerabilities. On Android devices, GPU drivers have repeatedly served as the final escalation vector into the kernel. To study and mitigate that risk, we undertook a research project to virtualize the Qualcomm Android kernel and the KGSL graphics driver from scratch in QEMU. This new environment enables deep debugging, efficient coverage collection, and large-scale fuzzing across server farms, instead of relying on a handful of preproduction devices. This talk will highlight the technical aspects of our research, starting with the steps required to boot the Qualcomm mobile kernel in QEMU, all the way up to the partial emulation of the GPU.

90 min

S39 · E130 · 29 de dez de 2025

Transkultureller Hack auf die klassische Musikszene – Vortrag und Konzert Episódio 130

Das Bridges Kammerorchester hackt die klassische Musikszene, indem es die Regeln des traditionellen Konzertbetriebs aufbricht: Musiker*innen mit und ohne Flucht- und Migrationsbiografie bringen Instrumente wie Oud, Tar, Kamanche oder Daf in die europäische Orchestertradition. Statt überwiegend Werke verstorbener männlicher, europäischer Komponisten zu spielen, komponieren die Mitglieder ihre Musik selbst – ein radikaler Perspektivwechsel hin zu Vielfalt und Selbstbestimmung. Im Vortrag zeigen sie anhand von Hörbeispielen und persönlichen Geschichten, wie diese Hacks entstehen und machen im Anschluss in einem Konzert die musikalische Vielfalt live erlebbar.

40 min

S39 · E131 · 29 de dez de 2025

Netzpolitik in der Schweiz: Zwischen Bodensee und Matterhorn Episódio 131

Auch in der Schweizer Netzpolitik ging es im auslaufenden Jahr drunter und drüber. Wir blicken mit gewohntem Schalk auf das netzpolitische Jahr 2025 zwischen Bodensee und Matterhorn zurück - und diskutieren jene Themen, die relevant waren und relevant bleiben.

40 min

S39 · E132 · 29 de dez de 2025

The Angry Path to Zen: AMD Zen Microcode Tools and Insights Episódio 132

[EntrySign](https://bughunters.google.com/blog/5424842357473280/zen-and-the-art-of-microcode-hacking) opened the door to custom microcode on AMD Zen CPUs earlier this year. Using a weakness in the signature verification we can load custom microcode updates and modify behavior of stock AMD Zen 1-5 CPUs. While AMD has released patches to address this weakness on some CPUs, we can still use unpatched systems for our analysis. In this talk we cover what we found out about microcode, what we saw in the microcode ROM, the tooling we build, how we worked to find out more and how you can write & test your own microcode on your own AMD Zen systems. We have our tools up on [GitHub](https://github.com/AngryUEFI) for everyone to play around with and hopefully help us understand microcode more than we currently do.

60 min

S39 · E133 · 29 de dez de 2025

Blackbox Palantir Episódio 133

Wer nutzt in Deutschland Software von Palantir und wer hat das in naher Zukunft vor? Was sind die rechtlichen Voraussetzungen für den Einsatz solcher Analysewerkzeuge? Und was plant Innenminister Alexander Dobrindt in Sachen Palantir für die Polizeien des Bundes?

60 min

S39 · E134 · 29 de dez de 2025

Aber hier Leben? Nein danke! …oder doch? Wie wir der autoritären Zuspitzung begegnen können. Episódio 134

Im Osten stehen nächstes Jahr schon wieder Wahlen an und schon wieder sieht alles danach aus, als ob die AfD eine Regierungsbeteiligung bekommen könnte. Ganz konkret: In Sachsen-Anhalt und Mecklenburg-Vorpommern. Nicht nur diese "rosigen" Aussichten, sondern auch aktuelle Bevölkerungsprognosen werfen gar kein günstiges Licht auf die Regionen. Linke Akteur:innen vor Ort kämpfen täglich dagegen an und sie brauchen unsere Solidarität. Wir müssen dem etwas entgegensetzen. Egal ob als Hacker:innen auf dem Congress oder Westdeutsche in (noch) Grünen Gemeinden. Wo kommt das alles her? Wer macht aktuell etwas dagegen und wie können wir dem rechten Sog begegnen?

40 min

S39 · E135 · 29 de dez de 2025

Race conditions, transactions and free parking Episódio 135

ORM's and/or developers don't understand databases, transactions, or concurrency.

40 min

S39 · E136 · 29 de dez de 2025

Hegemony Eroding: Excavating Diversity in Latent Space Episódio 136

Hegemony Eroding is an ongoing art project exploring how generative AI reflects and distorts cultural representation. Its name speaks to its core ambition: to bear witness to the slow erosion of Western cultural hegemony by exposing the cracks in which other cultures shine through. This talk will discuss the blurry boundary between legitimate cultural representation and prejudice in AI-generated media and how generative AI can be used as a tool to explore humanity's digital foot print. It is permeated by a critique of purely profit-driven AI development and it's tendency to blunt artistic exploration and expression.

60 min

S39 · E137 · 29 de dez de 2025

10 years of Dieselgate Episódio 137

Let's have a (hopefully) final look at Diesel emission cheating. This technical talk summarizes what I learned by reverse-engineering dozens of engine ECU software, how I found and characterized "interesting logic" which, more often than not, ended up being a court-approved "defeat device". What started as a "curious investigation" in 2015 to obtain a ground truth to widespread media reports of "VW being caught for cheating" ended up as a full-blown journey through the then-current state of the Diesel car industry. In this talk, I'll walk through the different implementation of defeat devices, their impact on emissions.

60 min

S39 · E138 · 29 de dez de 2025

The Heartbreak Machine: Nazis in the Echo Chamber Episódio 138

WhiteDate ist eine Plattform weißer Suprematist:innen, die sich an Rassist:innen und Antisemit:innen richtet – und auf veralteter Infrastruktur basiert. Was die 8000 Mitglieder nicht wussten: Einige der Nazis flirteten dieses Jahr mit realistisch wirkenden Chatbots - und verliebten sich sogar in sie. Mit einer Kombination aus automatisierter Konversationsanalyse, Web-Scraping und klassischen OSINT-Methoden verfolgten wir öffentliche Spuren und identifizierten die Personen hinter der Seite. Dieser Vortrag zeigt, wie KI-Personas und investigatives Denken extremistische Netzwerke aufdecken und wie Algorithmen gegen Extremismus eingesetzt werden können.

40 min

S39 · E139 · 29 de dez de 2025

Light in the Dark(net) Episódio 139

Science is hard and research into the usage of the Tor network is especially so. Since it was designed to counter suveillance, it gathering reliable information is difficult. As a consequence, the studies we do have, have yielded very different results. This talk investigates the root causes of contradicting studies by highlighting how slight changes in methodology or data selection completely change the results and thereby our understanding of what the Darknet is. Whether you consider it the last bastion of freedom or a haven of crime, this talk will tell you where to look and what to ignore in order to confirm your current opinion. And in case you are open to changing it, we have some food for thought for you.

40 min

S39 · E140 · 29 de dez de 2025

The Spectrum - Hackspace Beyond Hacking Episódio 140

The Spectrum is a newly founded queer-feminist, intersectional hackspace centering FLINTA+, disabled, and marginalized beings. We see hacking as playful exploration—of technology, art, and ideas—to reimagine what inclusion and collaboration can be. At 39C3, we share how awareness, accessibility, and transdisciplinary creation can transform community and hack the norm.

40 min

S39 · E141 · 29 de dez de 2025

Rowhammer in the Wild: Large-Scale Insights from FlippyR.AM Episódio 141

Last year at 38c3, we gave a talk titled "Ten Years of Rowhammer: A Retrospect (and Path to the Future)." In this talk, we summarized 10 years of Rowhammer research and highlighted gaps in our understanding. For instance, although nearly all DRAM generations from DDR3 to DDR5 are vulnerable to the Rowhammer effect, we still do not know its real-world prevalence. For that reason, we invited everyone at 38c3 last year to participate in our large-scale Rowhammer prevalence study. In this year's talk, we will first provide an update on Rowhammer research and present our results from that study. A lot has happened in Rowhammer research in 2025. We have evidence that DDR5 is as vulnerable to Rowhammer as previous generations. Other research shows that not only can adversaries target rows, but columns can also be addressed and used for bit flips. Browser-based Rowhammer attacks are back on the table with Posthammer and with ECC. fail, we can mount Rowhammer attacks on DDR4 with ECC memory.

60 min

S39 · E142 · 29 de dez de 2025

Peep-Show für die Polizei. Staatliche Überwachung von Queers in Hamburger Toiletten bis 1980 Episódio 142

Oder: Wie die Hamburger Polizei queere Menschen auf öffentlichen Toiletten observierte, und wie ein anonymes Kollektiv im Juli 1980 dieses Überwachungsystem wortwörtlich mit dem Hammer zerschlagen hat. Ein analoger Überwachungskrimi mit sauberen Städten, lichtscheuen Elementen, queerem Aktivismus, und kollektiver Selbstorganisation; und mit einer Anleitung wie man Beamten Anfang der 80er das Handwerk legen konnte.

60 min

S39 · E143 · 29 de dez de 2025

Human microservices at the Dutch Railways: modern architecture, ancient hardware? Episódio 143

The Dutch railways have been operating an increasingly complicated network of trains for over 80 years. The task of overseeing it is far too complex for a single human. As such, a network of specifically scoped humans has been connected. Over time, computers and software have been introduced into the system, but today there is still a significant role for humans. This talk describes the network of "human microservices" that is involved in the Dutch Railways' day to day operation from the eyes of a software developer.

60 min

S39 · E144 · 29 de dez de 2025

Von Fuzzern zu Agenten: Entwicklung eines Cyber Reasoning Systems für die AIxCC Episódio 144

Die AI Cyber Challenge (AIxCC) der DARPA hatte zum Ziel, die Grenzen der autonomen Cybersicherheit zu erweitern: Können AI-Systeme Software-Schwachstellen unabhängig, in Echtzeit und ohne menschliche Hilfe identifizieren, verifizieren und beheben? Im Laufe von zwei Jahren entwickelten Teams aus aller Welt „Cyber Reasoning Systems“ (CRS), die in der Lage sind, komplexe Open-Source-Software zu analysieren, Code zu analysieren, reproducer zu generieren, um zu zeigen, dass ein gemeldeter Fehler kein Fehlalarm ist, und schließlich Patches zu synthetisieren. Unser Team nahm an dieser Challenge teil und entwickelte von Grund auf ein eigenes CRS. In diesem Vortrag geben wir Einblicke in den Wettbewerb: Wie funktioniert die LLM-gesteuerte Schwachstellenerkennung tatsächlich, welche Designentscheidungen sind wichtig und wie sind die Finalisten-Teams an das Problem herangegangen?

40 min

S39 · E145 · 29 de dez de 2025

PRÜF Episódio 145

PRÜF! Prüfung Rettet übrigens Freiheit! Alles wird in Deutschland geprüft. Warum nicht auch mutmaßlich verfassungswidrige Parteien? Hier stelle ich vor, was PRÜF! anders machen will als bisherige Kampagnen.

40 min

S39 · E146 · 29 de dez de 2025

Verschlüsselung brechen durch physischen Zugriff - Smartphone Beschlagnahme durch Polizei Episódio 146

Eine zwar profane Methode der Überwachung, die Polizeibehörden in Deutschland jedoch hunderttausendfach anwenden, ist das Auslesen von Daten beschlagnahmter Smartphones und Computer. Dazu nutzt die Polizei Sicherheitslücken der Geräte mithilfe forensischer Software von Herstellern wie Cellebrite oder Magnet aus. Die Verfassungsmäßigkeit der Rechtsgrundlagen ist zweifelhaft. Im Vortrag werden anhand aktueller Fälle technische und juristische Hintergründe erörtert.

40 min

S39 · E147 · 29 de dez de 2025

Spectre in the real world: Leaking your private data from the cloud with CPU vulnerabilities Episódio 147

Transient execution CPU vulnerabilities, like Spectre, have been making headlines since 2018. However, their most common critique is that these types of vulnerabilities are not really practical. Even though it is cool to leak `/etc/shadow` with a CPU bug, it has limited real-world impact. In this talk, we take Spectre out for a walk and let it see the clouds, by leaking memory across virtual machine boundaries at a public cloud provider, bypassing mitigations against these types of attacks. Our report was awarded with a $151,515 bug bounty, Google Cloud's highest bounty yet.

90 min

S39 · E148 · 29 de dez de 2025

Die große Datenschutz-, Datenpannen- und DS-GVO-Show Episódio 148

Datenschutz darf auch Spaß machen, und alle können dabei etwas lernen, egal ob Einsteiger oder Profi-Hacker: Bei dem Datenschutz- und Datenpannen-Quiz kämpfen vier Kandidat:innen aus dem Publikum zusammen mit dem Publikum um den Sieg. Nicht nur Wissen rund um IT-Sicherheit und Datenschutz sondern auch eine schnelle Reaktion und das nötige Quäntchen Glück entscheiden über Sieg und Niederlage. Die Unterhaltsame Datenschutz-Quiz-Show mit Bildungsauftrag!

40 min

S39 · E149 · 30 de dez de 2025

Asahi Linux - Porting Linux to Apple Silicon Episódio 149

In this talk, you will learn how Apple Silicon hardware differs from regular laptops or desktops. We'll cover how we reverse engineered the hardware without staring at disassembly but by using a thin hypervisor that traces all MMIO access and then wrote Linux drivers. We'll also talk about how upstreaming to the Linux kernel works and how we've significantly decreased our downstream patches in the past year. As an example, we will use support for the Type-C ports and go into details why these are so complex and required changes across multi subsystems. In the end, we'll briefly talk about M3/M4/M5 and what challenges we will have to overcome to get these supported.

40 min

S39 · E150 · 30 de dez de 2025

Atoms in Space Episódio 150

*What are atoms doing in space anyways?* This talk will provide a brief overview of applications of quantum technologies in space ranging from precise timing and inertial measurements to fundamental physics.

40 min

S39 · E151 · 30 de dez de 2025

I Hated All The Cross-Stitch Software So I Made My Own: My Deranged Outsider Software Suite For ... Episódio 151

I wanted to design beautiful header diagrams and ASCII tables suitable for stitching on throw pillows, but found existing tools for cross-stitch design to be all wrong. I made my own set of command-line tools for building this chunky, pixelated visual art. If you've never seen a cross-stitch sampler that had bitrot, this talk will fix it.

40 min

S39 · E152 · 30 de dez de 2025

How to keep Open Source open without leaving our communities open to threats Episódio 152

The Four Freedoms (defined \~40 years ago) and the Four Opens (\~15 years ago) for Open Source provided canonical definitions for what are the cornerstones of Open Source Software communities today. While the ethos still applies today, the cultural norms that blossomed to put it into practice are from an era with different challenges. To build a better world, we need to both keep _and protect_ the value system of the Four Freedoms and Four Opens. To do that, we need to re-assess our risk and threat models to balance that allows beautiful minds to flourish as well as introduce responsible friction to prevent harm from coming to them.

40 min

S39 · E153 · 30 de dez de 2025

CCC&T - Cosmic ray, the Climate Catastrophe and Trains. Episódio 153

How can we predict soil moisture by measuring cosmic ray products and what have trains to do with it? Ever wondered how this Dürremonitor works, that you heared about in ther german news? These question and some more I will try to answer while I give an overview of some of the research that is done by the Helmholtz Centre for Environmental Research (UFZ).

40 min

S39 · E154 · 30 de dez de 2025

CUII: Wie Konzerne heimlich Webseiten in Deutschland sperren Episódio 154

Stellt euch vor, eine private Organisation aus milliardenschweren Konzernen entscheidet, welche Webseiten ihr nicht besuchen dürft - ohne Richter, ohne öffentliche Kontrolle oder Transparenz. Genau das macht die CUII in Deutschland seit Jahren.

40 min

S39 · E155 · 30 de dez de 2025

“End Of 10”: How the FOSS Community is Combatting Software-Driven Resource and Energy Consumption Episódio 155

The end of free support for Windows 10 was 14 October 2025. Well, sort of. Microsoft moved the date to 2026, one more year the FOSS community can introduce users to sustainable software. 14 October is also KDE's birthday, International E-Waste Day, with International Repair Day following on 18 October. The irony is deep, but what is not ironic is that millions of functioning computers will end up becoming security risks or discarded as e-waste. This means manufacturing and transporting new ones, the biggest waste of all: hardware production accounts for over 75% of a device's CO2 emissions over its lifespan. The FOSS community had an opportunity and we took it! In 2024, KDE Eco's Opt Green project began a global, unified campaign across FOSS and repair communities to upgrade unsupported Windows 10 computers to Linux. We held BoFs at SFSCon, CCC, and FOSDEM. We thought big and acted boldly.

40 min

S39 · E156 · 30 de dez de 2025

What You Hack Is What You Mean: 35 Years of Wiring Sense into Text Episódio 156

Encoding isn’t just for machines — it’s how humans shape meaning. This talk traces 35 years of hacking text through the Text Encoding Initiative (TEI), a community-driven, open-source standard for describing the deep structure of texts. We’ll explore how TEI turns literature, research, and even hacker lore into machine-readable, remixable data — and how it enables minimal, sustainable self-publishing without gatekeepers. From alphabets to XML and the Hacker Bible, we’ll look at text as a living system: something we can read, write, and hack together.

40 min

S39 · E157 · 30 de dez de 2025

Security of Cardiac Implantable Electronic Devices Episódio 157

(NO RECORDING) Cardiac Implantable Electronic Devices (CIED), such as cardiac pacemakers and defibrillators, are a fairly niche target for security researchers, in part due to a lack of manufacturer cooperation and device accessibility. This talk aims to provide insights into the challenges in device development and methods with which to research device security. Data accessibility to patients will be touched upon.

40 min

S39 · E158 · 30 de dez de 2025

Fossile Industrie liebt KI! Episódio 158

Der Hype um generative KI und die Gasindustrie bilden in Zeiten der Klimakrise eine bedrohliche Allianz für die Zukunft des Planeten.

40 min

S39 · E159 · 30 de dez de 2025

Laser Beams & Light Streams: Letting Hackers Go Pew Pew, Building Affordable Light-Based Hardware Episódio 159

Stored memory in hardware has had a long history of being influenced by light, by design. For instance, as memory is represented by the series of transistors, and their physical state represents 1's and 0's, original EPROM memory could be erased via the utilization of UV light, in preparation for flashing new memory. Naturally, whilst useful, this has proven to be an avenue of opportunity to be leveraged by attackers, allowing them to selectively influence memory via a host of optical/light-based techniques. As chips became more advanced, the usage of opaque resin was used as a "temporary" measure to combat this flaw, by coating chips in a material that would reflect UV. Present day opinions are that laser (or light) based hardware attacks, are something that only nation state actors are capable of doing Currently, sophisticated hardware labs use expensive, high frequency IR beams to penetrate the resin.

40 min

S39 · E160 · 30 de dez de 2025

Breaking BOTS: Cheating at Blue Team CTFs with AI Speed-Runs Episódio 160

After we announced our results, CTFs like Splunk's Boss of the SOC (BOTS) started prohibiting AI agents. For science & profit, we keep doing it anyways. In BOTS, the AIs solve most of it in under 10 minutes instead of taking the full day. Our recipe was surprisingly simple: Teach AI agents to self-plan their investigation steps, adapt their plans to new information, work with the SIEM DB, and reason about log dumps. No exotic models, no massive lab budgets - just publicly available LLMs mixed with a bit of science and perseverance. We'll walk through how that works, including videos of the many ways AI trips itself up that marketers would rather hide, and how to do it at home with free and open-source tools. CTF organizers can't detect this - the arms race is probably over before it really began. But the real question isn't "can we cheat at CTFs?" It's what happens when investigations evolve from analysts-who-investigate to analysts-who-manage-AI-investigators.

40 min

S39 · E161 · 30 de dez de 2025

Von Groschen und SpurLos - GNU Taler auch auf eurem Event! Episódio 161

Willkommen in der Zukunft: Beim LUG Camp in Wipperfürth und bei den Datenspuren in Dresden wurde digital bezahlt - mit GNU Taler als Event-Bezahlsystem. Noch einfacher als Bargeld, billiger als Kartenzahlung und ohne Eingriff in die Privatsphäre der Besucher*innen. Wir zeigen euch, wie auch ihr das bei eurer nächsten (Chaos-)Veranstaltung anbieten könnt!

40 min

S39 · E162 · 30 de dez de 2025

We, the EU, and 1064 Danes decided to look into YouTube: A story about how the EU gave us a law, ... Episódio 162

We explore what happens when Europe’s ambitious data access laws meet the messy realities of studying major digital platforms. Using YouTube as a central case, we show how the European Union’s efforts to promote transparency through the GDPR, the Digital Services Act (DSA), and the Digital Markets Act (DMA) are reshaping the possibilities and limits of independent platform research. At the heart of the discussion is a paradox: while these laws promise unprecedented access to the data that shape our digital lives, the information researchers and citizens actually receive is often incomplete, inconsistent, and difficult to interpret. In this talk, we take a close look at data donations from over a thousand Danish YouTube users, which at first glance did not reveal neat insights but sprawling file structures filled with cryptic data points.

40 min

S39 · E163 · 30 de dez de 2025

Hackspace-Vorstellungen Episódio 163

Hackspace-Vorstellungen

60 min

S39 · E164 · 30 de dez de 2025

Security Nightmares Episódio 164

Was hat sich im Jahr 2025 im Bereich IT-Sicherheit getan? Welche neuen Methoden, Buzzwords und Trends waren zu sehen? Was waren die fiesesten Angriffe und die teuersten Fehler?

60 min

S39 · E165 · 30 de dez de 2025

Infrastructure Review Episódio 165

Infrastructure teams present what they did for this years congress and why they did it that way.

60 min

S39 · E166 · 30 de dez de 2025

Closing Ceremony Episódio 166

Power off! Nach vier wunderbaren Tagen kommt der Congress nun langsam zum Ende. Lasst uns zurückblicken, die Eindrücke sortieren und diese inspirierte Stimmung nach draußen tragen.

42 min

S39 · E167 · 27 de dez de 2025

Och Menno – IT und IT Security Uppsis Episódio 167

(Sendezentrum) Willkommen zum inkompetenten Podcast mit der besonderen Folge zur Inkompetenz in der IT und IT Security. Warum ist das Password Louvre schlecht ? Wie läuft die Cloud Transformation richtig schlecht ? Eine kleine Show der Pleiten, Pech und Pannen. Und für die Besucher des Talks über Uboote letztes Jahr gibt es noch einen kleinen Ausflug in die Welt der ultrakomprimierten Daten, oder die Server formaly known als TITAN Steuersystem. Ein kleiner Rundflug über die besten Fails der letzten Jahre.

51 min

S39 · E168 · 27 de dez de 2025

c’t uplink: Digitale Souveränität – sind Häcker:innen jetzt fürs Staatswohl verantwortlich? Episódio 168

(Sendezentrum) Spätestens seitdem Donald Trump wieder im Weißen Haus sitzt, geistert die „Digitale Souveränität“ verstärkt durch die politischen Diskussionen. Wir haben mittlerweile ein Zentrum dafür (ZenDiS) und einen Fonds, der sich zur Agentur gemausert hat (Sovereign Tech Fund/Agency). Aber ist jetzt das Schlagwort Digitale Souveränität der Türöffner für mehr Open-Source-Software in Behörden, Verwaltungen, Schulen und anderen öffentlichen Einrichtungen, oder erweist sich das als Bumerang? Sind Big Tech, die doch viel in Linux und Open Source investieren, wirklich das Problem? In dieser Sonderfolge des c’t uplink blicken wir kritisch auf den Begriff Digitale Souveränität und diskutieren, welche Konzepte sich dahinter verbergen. Wir sprechen darüber, ob und warum gerade die Community den Karren aus dem Dreck ziehen soll. Außerdem schauen wir, warum es nur so langsam vorwärts geht mit freier Software in öffentlicher Hand und welche Lösungswege es gibt oder geben könnte.

45 min

S39 · E169 · 27 de dez de 2025

Eine typisch österreichische Lösung - die Dirndlkoalition Episódio 169

(Sendezentrum) Nach den längsten Koalitionsverhandlungen in der zweiten Republik kämpft die Dirndlkoalition gegen Inflation, Budgetdefizit und rechte Volkskanzlerfantasien. Wir geben einen Überblick zum politischen Jahr in Österreich. Am Beginn des Jahres wollte Herbert Kickl noch Volkskanzler werden, am Ende des Jahres regiert eine Dreierkoalition in Österreich. Wie gewohnt wollen wir auch heuer wieder erzählen, was in der österreichischen Innenpolitik passiert, der Humor soll dabei nicht zu kurz kommen.

42 min

S39 · E170 · 27 de dez de 2025

Die Sicherheits_lücke live vom 39c3: ein Tag mit der GI Episódio 170

(Sendezentrum) Die **Sicherheits_lücke** (https://sicherheitsluecke.fm) greift aktuelle Ereignisse und Trends der Cybersecurity auf. Im Podcast werden die Themen - gerne auch mal humoristisch, sarkastisch oder selbstironisch - von Volker Skwarek, Monina Schwarz und Ingo Timm mit Tiefgang aufbereitet. Mit dem Format **live** ist der Podcast auch regelmäßig auf Kongressen zu finden und diskutiert interessante Vorträge mit ausgewählten Gästen. Wir berichten mit Gästinnen von der Gesellschaft für Informatik über interessante Vorträge und Erlebnisse vom ersten Tag des 39c3.

36 min

S39 · E171 · 27 de dez de 2025

Podcast Radiomegahertz – MHz rein | kHz raus | Ultraschall.fm mittendrin Episódio 171

In dieser Live-Session wird gescannt, gesampelt und gesendet: medizinischer Ultraschall im Megahertz-Bereich trifft digitale Audioverarbeitung mit 48 Kilohertz. Ultraschall.fm dient als Interface zwischen Körper und Codec – vom Schallkopf bis zum Kopfhörer, von Wellen im menschlichen Gewebe zu (Radio-) Wellen im Äther. Radiomegahertz demonstriert die open source Podcasting-Software zur Produktion einer medizinischen Live-Ultraschall Untersuchung. Die Session ist für alle Podcast-Kreaturen, die den Megahertz-Bereich auch hören und nicht nur sehen möchten. This live session involves scanning, sampling, and broadcasting: medical ultrasound in the megahertz range meets digital audio processing at 48 kilohertz.Ultraschall.fm serves as an interface between the body and the codec—from the transducer to the headphones, from waves in tissue to waves in the ether. Radiomegahertz demonstrates the open source podcasting software.

44 min

S39 · E172 · 28 de dez de 2025

Och Menno Mode: Power Cycles, Power Suit, Dresscodes WTF Episódio 172

Der inkompetente Podcast über Dresscodes und Mode. Warum verschiedene Kleiderordnungen immer mal wieder zu komischen Situationen und politischen Missverständnissen gesorgt haben. Warum ist der Business Dress eigentlich nur ein besserer Hausanzug ? Warum wird aus gemütlicher Kleidung eine Kleidung die bei Staatsempfängen getragen wird. Warum ist ein Dresscode immer missverständlich ? Bitte zum Vortrag in smart Casual Business white Tie, aber nicht zu formal erscheinen. Wer das versteht oder auch nicht wird sich wohlfühlen. Eine kleine Reise über die merkwürdige Welt der (Männer) Mode, die halt wenig sinnvoll ist. Mode ist halt nur eine Möglichkeit sich von anderen Abzugrenzen.

46 min

S39 · E173 · 28 de dez de 2025

"They Talk Tech" live mit Anne Roth Episódio 173

„They Talk Tech“ Live: Podcasts-Hosts Svea Eckert und Eva Wolfangel diskutieren mit Anne Roth, Referentin für Digitalpolitik der Linksfraktion, Netzaktivistin, scharfe Beobachterin und präzise Analytikerin digitaler Machtstrukturen, über Überwachung, digitale Freiheitsrechte, feministische Netzpolitik und die politischen Kämpfe hinter der Technologie. Anne Roth beschäftigt sich seit vielen Jahren mit staatlichen Sicherheitsarchitekturen, Geheimdienstkontrolle, digitaler Gewalt und Fragen politischer Teilhabe. Im Gespräch geht es um die Mechanismen digitaler Macht, um Freiheitsrechte im Zeitalter permanenter Datenerfassung und darum, wie politische Entscheidungen technologische Entwicklungen prägen und umgekehrt - und wo die netzpolitische Community auch in politisch schwierigen Zeiten ansetzen kann, um die Entwicklung positiv zu beeinflussen. Eine offene, präzise und lebendige Diskussion, die sowohl technisch interessierte als auch politisch denkende Menschen abholt.

88 min

S39 · E174 · 28 de dez de 2025

Comeflywithus Episódio 174

Wir, das sind Steffen und arl , besprechen in unserem Podcast alles was die Große und Kleine Fliegerei angeht. Das CFWU Team besteht I.d.R. aus aktiven Piloten:innen von großen und kleinen Flugzeugen, sehr gut unterstützt durch den sehr erfahrenen Flugzeugtechniker Harry! Update GPS Spoofing ATPL (AirlineTransportPilotLicense) Wie lernt man heute fliegen Wie läuft es bei arl seinem ATPL Flugvorbereitungen Was muss man alles machen Technik AirIndia Beispiel für Schwurbelungen Aufbau der Technik Wie schaltet man ein Triebwerk ein Wie schaltet man ein Triebwerk aus Wie schaltet man es im Notfall aus Feuerlöschsystem Das NOTAM System Was ist es Wann wurde es gebaut Wie hat es sich entwickelt Trotz des vermeintlich ernsten Themas sind wir immer mit Humor dabei!

96 min

S39 · E175 · 28 de dez de 2025

The Freak Show Clubhouse Episódio 175

Die Freak Show und alle Hörerinnen und Hörer machen eine Sendung als Gespräch Im Clubhouse-Style trifft das Freak Show Team auf seine Hörer. Jeder kann mitmachen. Werde zum Freak Show Host für 5 Minuten. Wir diskutieren mit Euch jedes frühere oder künftige Thema und sind uns auch für Hot Takes nicht zu schade.

43 min

S39 · E176 · 28 de dez de 2025

AAA - Ask Advi Anything Episódio 176

Es gab den Wunsch nach Creator AmA Sessions. Ich würde hiermit eine anbieten. Ich bin aber definitiv remote. ^^

87 min

S39 · E177 · 29 de dez de 2025

"Passwort" - der heise security Podcast live vom 39C3 Episódio 177

Der heise security Podcast macht wieder einen Betriebsausflug nach Hamburg. Diesmal bringt Christopher seinen Co-Host Sylvester mit und spricht 90 Minuten lang über aktuelle Security-Themen vom Congress. Wir haben uns erneut einige spannende Fundstücke herausgesucht und sprechen darüber miteinander, aber auch mit unseren Gästen. Welche Themen wir besprechen ist - wie immer bei unserem Podcast - eine Überraschung.

46 min

S39 · E178 · 29 de dez de 2025

netzpolitik.org Off/On: Off The Record live Episódio 178

Bei "Off The Record" nehmen wir euch mit in den Maschinenraum von netzpolitik.org. Einmal im Monat geben Redakteur:innen und andere Team-Mitglieder Einblicke in ihre Arbeit. Bei dieser Live-Ausgabe zum Abschluss des Jahres wollen wir hinter die Kulissen einiger große Recherchen blicken: Es geht um Spionage-Apps und Datenhändler, eine mysteriöse Schallwaffe und die Tücken der Verwaltungsdigitalisierung. In "Off/On", dem Podcast von netzpolitik.org, wechseln sich zwei Formate ab: Bei "Off The Record" geht es ab in den Maschinenraum von netzpolitik.org: Wir erzählen, wie unsere Recherchen entstehen, und machen transparent, wie wir arbeiten. Bei "On The Record" interviewen wir Menschen, die unsere digitale Gesellschaft prägen. Bei dieser Live-Ausgabe von "Off The Record" spricht Ingo Dachwitz mit Chris Köver, Markus Reuter und Esther Mehnhard über ihre Recherchen des Jahres. Wie sind sie bei der Recherche vorgegangen? Welche Hindernisse mussten sie überwinden?

30 min

S39 · E179 · 27 de dez de 2025

Syncing visuals and stage lights against the beat of live music: an introduction Episódio 179

Most clubs and concerts have predefined light and visuals, and often they are generic and not synced to the beat of the music. Today we will show you that it's actually possible to sync visual effects to the beat of live music recorded from the microphone, and it's pretty easy! Aimed at beginners. We will teach people how to set up and use TouchDesigner to perform audio analysis and how to draw basic effects and light shows that respond to the beat of the input audio. If you want to follow along, please come with TouchDesigner preinstalled (the free version is perfectly fine). Recommended on Windows or Mac, but with enough pain it can run under Wine as well.

60 min

S39 · E180 · 27 de dez de 2025

Doomsday-Porn, Schäferhunde und die „niedliche Abschiebung“ von nebenan Episódio 180

Der amtierende US-Präsident postet ein Video, in dem er Demonstrierende aus einem Kampfjet heraus mit Fäkalien bewirft und das Weiße Haus zelebriert den „Star Wars Day“ mit einem pompösen Trump-Bild mit Lichtschwert. Accounts von AfD-Sympathisanten posten KI-Kitsch einer vermeintlich heilen Welt voller blonder Kinder und Frauen im Dirndl. Ist das lediglich eine geschmackliche Entgleisung oder steckt da mehr dahinter?

63 min

S39 · E181 · 28 de dez de 2025

Kenji Tanaka LIVE // Insights into my workflow, structure and philosophy Episódio 181

How does live techno work? On the dance floor, it's practically impossible to understand what's happening up front. It's also irrelevant there, because it's all about the music and many other things. Live sets have a thousand faces. Everyone has their own workflow, and there are countless approaches to performing electronic music. I don't know all of them, but I will give a deeper insight into the architecture of my setup in this short presentation. I explain my approach to improvising techno in clubs and at festivals. There will be a few technical insights into my „Ableton“ structure. A fixed structure with an unknown outcome. Because at certain points, I rely on random generators to create the desired element of surprise. This keeps me inspired for hours, again and again. I will show and explain why I make music this way.

82 min

S39 · E182 · 29 de dez de 2025

Och Menno X Disconnected Unexpected : Elbonian Incident Response : Wie reagiere ich falsch Episódio 182

Jeder redet darüber wie man eine Krise optimal bearbeitet. Bei Disconnected Unexpected geht es ja darum das das Publikum ein Szenario in den Raum wirft und Teams versuchen eine optimale Lösung zu finden. Bei Och Menno geht es darum das Sachen schief gehen. In der großen Nation Elbonien geht es darum das immer die komplizierteste, gerechtfertigte Lösung findet die garantiert die schlechteste Auswirkungen hat. Es wird eine Impro Comedy Show, wo das Publikum ein Szenario in den Raum werfen darf, und das Panel versucht die Krise durch wohlgemeinte Ideen schlechter zu machen.

89 min

S39 · E183 · 29 de dez de 2025

WissPod Jahresrückblick 2025 oder: KI in der Wissenschaft!? Episódio 183

Wie die letzten Jahre gute Tradition geworden ist, blicken Melanie Bartos und Bernd Rupp zurück auf das wissenschaftspodcasts.de-Jahr 2025 und sprechen über die Perspektiven, die sich für das Wissenschaftspodcast-Jahr 2026 abzeichnen. Dabei beleuchten wir die Herausforderungen bei der Kuration, die Anmeldezahlen neuer Wissenschaftspodcasts, die Weiterentwicklung der Website sowie den Aufbau und die Betreuung der WissPod-Community. Diese umfasst inzwischen rund 420 Wissenschaftspodcasts mit insgesamt über 33.000 Episoden. 2025 wurde erstmalig ein Podcast-Adventskalender mit 24 kuratierten Spezial-Podcast-Episoden aufgesetzt. Wie die letzten Jahre reden wir aber auch über ein Thema, das die Wissenschaft aber auch die Wissensvermittlung oder Wissenschaftskommunikation beeinflusst. Dieses Jahr geht es dabei um KI in der Wissenschaft.

46 min

S39 · E184 · 29 de dez de 2025

Omnibus Halbgarer Machenschaften (OHM #23) Episódio 184

erdgeist & monoxyd denken laut. Aufgrund des großen Erfolgs soll das jetzt auch beim Congress versucht werden. Themen? Ja! Wahrscheinlich irgendwas mit so... Dingen, die gerade passiert sind und zu denen mal was gesagt werden muss. Besser wir als Lanz & Precht! Es gibt außerdem einen besonderen Anlass: 23! (Wo kommt das eigentlich her?)

91 min

S39 · E185 · 29 de dez de 2025

Denkangebot: Rainer Mühlhoff über KI und autoritäre Sehnsüchte im Silicon Valley Episódio 185

Der Hype um künstliche Intelligenz ist allgegenwärtig. Selbst Donald Trump postet KI-generierte Videos, in denen er sich wahlweise als Rockstar oder Kampfjetpilot inszeniert. Elon Musk prahlte öffentlich damit, dass in seinem "Department of Goverment Efficiency" der soziale Kahlschlag mit Unterstützung Künstlicher Intelligenz vorangetrieben wird. Und Peter Thiel meint allen ernstes, KI-Regulierung und das Erscheinen des Antichristen gingen Hand in Hand. Müssen wir uns Sorgen machen? Rainer Mühlhoff ist Professor für Ethik und kritische Theorien der Künstlichen Intelligenz an der Universität Osnabrück. In seinem kürzlich erschienen Buch "Künstliche Intelligenz und der neue Faschismus" setzt er sich kritisch mit dem KI-Hype auseinander. Und er erklärt, welche toxischen Ideologien zentraler Akteure aus dem Silicon Valley Menschen empfänglich für autoritäre Gesellschaftsbilder machen.

45 min

S39 · E186 · 29 de dez de 2025

Zellkultur Episódio 186

Ich bin ja glaube ich reichlich spät, aber da Moepern endlich wieder zum Congress kommt und ich das erst vor kurzem erfahren habe, dachte ich, ich werfe unseren Namen mal in den Hut. Wir sind/waren ein Biologie-Podcast und durch Babypause bei Moepern ist der etwas eingeschlafen. Schaffen wir ein Revival? Verratet ihr's uns. Wir nehmen auch den Podcast-Tisch wenns sonst nicht passt. :) In der Zellkultur reden Claudia (moepern) und Anna (Adora Belle) über das Leben, die Biologie und den ganzen Rest. Am liebsten schauen wir tief in die Zelle, auf die DNA und schauen Viren bei der Arbeit zu. Wir besprechen aktuelle Themen - aber wollen auch Grundlagenwissen vermitteln. Ihr seid außerdem eingeladen, eure Fragen zu stellen. Ob live oder per Zusendung. :) Und in einer aktuellen Bio-Frage klären wir Biologie-Mythen auf!

40 min

S39 · E187 · 30 de dez de 2025

Who runs the www? WSIS+20 and the future of Internet governance Episódio 187

Abbreviations such as WSIS+20, IGF, IETF, DIEM, ICANN, PDP, ITU or W3C regularly appear in discussions about the Internet, yet often remain vague. This talk provides an update on the current state of Internet governance and explains why decisions made in United Nations processes have direct implications for technical standards, digital infrastructure, and power asymmetries. The starting point is the UN’s WSIS+20 review process, which negotiated the future of the Internet Governance Forum and the roles of stakeholders within it. Against this backdrop, the talk traces the origins of the so-called multistakeholder approach and examines how it works in practice and where its limits lie. What role do technical standardization organizations such as the IETF, ICANN, ITU or the W3C play in an increasingly geopolitical environment? Who sets the rules, who defines the standards, and who is left out of these processes?

40 min

S39 · E188 · 30 de dez de 2025

Battling Obsolescence – Keeping an 80s laser tag system alive Episódio 188

Keeping old projects working can be an uphill battle. This talk explores how the laser tag system Q-Zar (Quasar in the UK) has been kept alive since the company behind it failed in the 90s. The challenges encountered, the lessons learnt, and how those can be applied to our own future projects to maximise the project lifetime.

59 min

S39 · E189 · 29 de dez de 2025

The Modular Workshop – The Tunegirl und Rob StrobE Episódio 189

Hallo CCC Community, wir präsentieren euch The Tunegirl und Rob StrobE, beide sind mit Veröffentlichungen auf dem Assassins Soldier Label beheimatet und blicken auf eine gemeinsame Liebe für Detroit Techno. Die Idee zum gemeinsamen Workshop für euch entstand natürlich auf dem Dancefloor und The Tunegirl hat die Cases gepackt und nach Hamburg gebracht. Während The Tunegirl den praktischen Teil verantwortet und die Kabel steckt, wird euch Rob durch die Kabel führen und einen Einblick in die Welt der Module und Drummachines geben. Unterstützt wird das ganze von einer Kamera, damit ihr nah am Geschehen dabei sein könnt. Die beiden stehen euch für Fragen nach dem Workshop zur Verfügung. Wir wünschen euch viel Spass und gute Unterhaltung,

Temporada 39: 189 episódios

Alguns detalhes vêm do TheTVDB.

Chaos Communication Congress The Chaos Communication Congress is an annual meeting of the international hacker scene, organized by the Chaos Computer Club. The congress features a variety of lectures and workshops on technical and political issues. The event takes place regularly at the end of the year since 1984, with the current date and duration (December 27–30) established in 2005.

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Duração total 1576h 24m · Duração do episódio 56 min · País Alemanha

Sobre a série

Estreia

27 de dezembro de 2011

Episódio mais recente

30 de dezembro de 2025

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Em andamento

País

Alemanha

Tipo

Ficção

Duração do episódio

56 min

Duração total

1576h 24m

Idioma original

Inglês

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