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PODCAST

Chaos Computer Club - recent events feed (high quality)

Der Chaos Computer Club ist die größte europäische Hackervereinigung, und seit über 25 Jahren Vermittler im Spannungsfeld technischer und sozialer Entwicklungen.

technology

All Episodes

00:40:44

How to render cloud FPGAs useless (39c3)

Chaos Computer Club - recent events feed (high quality) ·

2025/12/28

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

01:03:07

Kenji Tanaka LIVE // Insights into my workflow,...

Chaos Computer Club - recent events feed (high quality) ·

2025/12/28

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

00:32:39

A Quick Stop at the HostileShop (39c3)

Chaos Computer Club - recent events feed (high quality) ·

2025/12/28

HostileShop is a python-based tool for generating prompt injections and jailbreaks against LLM agents. I created HostileShop to see if I could use LLMs to write a framework that generates prompt injections against LLMs, by having LLMs attack other LLMs. It's LLMs all the way down. HostileShop generated prompt injections for a winning submission in OpenAI's GPT-OSS-20B RedTeam Contest. Since then, I have expanded HostileShop to generate injections for the entire LLM frontier, as well as to mutate

00:42:24

Current Drone Wars (39c3)

Chaos Computer Club - recent events feed (high quality) ·

2025/12/28

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

00:43:33

Variable Fonts — It Was Never About File Size (39c3)

Chaos Computer Club - recent events feed (high quality) ·

2025/12/28

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

00:42:10

Persist, resist, stitch (39c3)

Chaos Computer Club - recent events feed (high quality) ·

2025/12/28

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. Working with textile mediums like yarn, thread, and floss is generally seen as a feminine hobby and as thus is usually classified as craft, not art. And crafting is something people, maybe even people usually seen as a bit boring, do in their

00:40:45

Auf die Dauer hilft nur Power: Herausforderungen für...

Chaos Computer Club - recent events feed (high quality) ·

2025/12/28

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

01:31:53

CCC-Jahresrückblick (39c3)

Chaos Computer Club - recent events feed (high quality) ·

2025/12/28

Das war nicht das Jahr 2025, das wir bestellt hatten. 2025 war ein gutes Jahr für Exploits, kein gutes Jahr für die Freiheit und ein herausragendes für schlechte Ideen. Regierungen kämpften weiter für Massenüberwachung, natürlich mit KI-Unterstützung™. Kriege wurden weiter „digitalisiert“, Chatkontrolle als Kinderschutz verkauft, Waffensysteme haben inzwischen mehr Autonomie als die meisten Bürger*innen und künstliche Intelligenz löst endlich alle Probleme – vor allem die, die bisher niemand

00:42:06

Lessons from Building an Open-Architecture Secure...

Chaos Computer Club - recent events feed (high quality) ·

2025/12/28

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

00:39:40

Cracking open what makes Apple's Low-Latency WiFi so...

Chaos Computer Club - recent events feed (high quality) ·

2025/12/28

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. Apple's Continuity features make up a big part of their walled garden. From AirDrop and Handoff to AirPlay, they all connect macOS and iOS devices wirelessly. In

00:39:11

Amateurfunk im All – Kontakt mit Fram2 (39c3)

Chaos Computer Club - recent events feed (high quality) ·

2025/12/28

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. Schon kurz nachdem die ersten Satelliten den Weltraum eroberten, waren auch Amateurfunkende dabei und brachten ihr Hobby in dieses Feld ein. Auch bei Fram2, der ersten bemannten Mission, die beide Polarregionen überflog, war der

00:38:27

Chaospager - How to construct an Open Pager System...

Chaos Computer Club - recent events feed (high quality) ·

2025/12/28

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

00:40:35

Power Cycle B7 oder Warum kauft man eine Zeche? (39c3)

Chaos Computer Club - recent events feed (high quality) ·

2025/12/28

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 einer 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…! Wir –

00:40:17

Live, Die, Repeat: The fight against data retention...

Chaos Computer Club - recent events feed (high quality) ·

2025/12/28

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

00:41:07

Chaos Communication Chemistry: DNA security systems...

Chaos Computer Club - recent events feed (high quality) ·

2025/12/28

**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.** Nucleic acids have been theorized as potential data storage and computation platforms since the

00:58:51

Agentic ProbLLMs: Exploiting AI Computer-Use and...

Chaos Computer Club - recent events feed (high quality) ·

2025/12/28

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

01:01:12

A post-American, enshittification-resistant internet...

Chaos Computer Club - recent events feed (high quality) ·

2025/12/28

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

00:58:09

selbstverständlich antifaschistisch! Aktuelle...

Chaos Computer Club - recent events feed (high quality) ·

2025/12/28

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

00:53:58

A space odyssey #2: How to study moon rocks from the...

Chaos Computer Club - recent events feed (high quality) ·

2025/12/28

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

00:46:24

netzpolitik.org Off/On: Off The Record live (39c3)

Chaos Computer Club - recent events feed (high quality) ·

2025/12/28

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"

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