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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

00:38:24

Don’t look up: There are sensitive internal links in...

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

2025/12/28

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. In this talk, we will cover our hardware setup, alignment techniques,

00:38:52

Wie wir alte Flipperautomaten am Leben erhalten (39c3)

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

2025/12/28

Der Vortrag beschreibt, wie eine Gruppe von Begeisterten eine Sammlung von ca. 100 Flipperautomaten (Pinball Machines) am Leben und in spielbereitem Zustand erhält. Der Vortrag gibt einen Einblick in die verschiedenen Generationen von Flippern und deren Technik. Angefangen von elektromechanischen Geräten aus den frühen Sechzigern, über erste Prozessorsteuerungen, bis hin zu modernsten computergesteuerten Automaten mit Bussystemen. Jede Generation hat ihre technischen Eigenheiten, ihre typischen

00:40:02

Verlorene Domains, offene Türen - Was alte...

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

2025/12/28

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

00:39:50

CSS Clicker Training: Making games in a "styling"...

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

2025/12/28

CSS is a programming language, and you can make games in it. Let's install NoScript and make some together! This talk is about how HTML and CSS can be used to make interactive art and games, without using any JS or server-side code. I'll explain some of the classic Cohost CSS Crimes, how I made [CSS Clicker](https://lyra.horse/css-clicker/), and what's next for the CSS scene. I hope this talk will teach and/or inspire you to make cool stuff of your own! --- *Content notes:* - Slides feature

00:43:10

Power Cycles statt Burnout – Wie Einflussnahme nicht...

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

2025/12/28

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. Ziel des Talks ist es, ein realistisches Bild davon zu vermitteln, wie parlamentarische Entscheidungsfindung

01:27:00

"Passwort" - der heise security Podcast live vom 39C3...

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

2025/12/28

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. Licensed to the public under http://creativecommons.org/licenses/by/4.0 about this

00:37:58

Prometheus: Reverse-Engineering Overwatch (39c3)

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

2025/12/28

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. Hey you! Yes you! Do you want to pay for a game which gets forcibly taken away from you after only six years? Do you want to buy lootboxes in order to unlock cosmetics faster in the game you

00:40:07

Trump government demands access to European police...

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

2025/12/28

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. The US demand is unprecedented: even EU

00:39:25

freiheit.exe - Utopien als Malware (39c3)

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

2025/12/28

"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. Ich lade das CCC-Publikum ein, die Betriebssysteme hinter unseren

00:39:29

Recharge your batteries with us - an empowering...

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

2025/12/28

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. A committed energy activist and an award-winning solar cell researcher take you on a lively, motivating and sometimes funny journey: - to electricity rebels from the Black Forest, - to heat pumps that

00:39:30

In-house electronics manufacturing from scratch: How...

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

2025/12/28

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

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

00:39:37

Amtsgeheimnis raus, Datenhalde rein: was die...

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

2025/12/28

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. Die Kampagne – wie aus

00:38:32

CPU Entwicklung in Factorio: Vom D-Flip-Flop bis zum...

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

2025/12/28

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

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

00:42:24

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

00:32:39

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

00:40:45

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

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

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