The 39th Chaos Communication Congress (39C3) takes place in Hamburg on 27-30 Dec 2025, and is the 2025 edition of the annual four-day conference on technology, society and utopia organized by the Chaos Computer Club (CCC) and volunteers. Congress offers lectures and workshops and various events on a multitude of topics including (but not limited to) information technology and generally a critical-creative attitude towards technology and the discussion about the effects of technological advances on society.
38 min
CPU Entwicklung in Factorio
Vom D-Flip-Flop bis zum eigenen Betriebssystem
39 min
Neuroexploitation by Design
Wie Algorithmen in Glücksspielprodukten sich Wirkweisen des…
60 min
Doomsday-Porn, Schäferhunde und die „niedliche Abschiebung“ von nebenan
Wie autoritäre Akteure KI-generierte Inhalte für Social…
61 min
Handy weg bis zur Ausreise
Wie Cellebrite ins Ausländeramt kam
60 min
Programmierte Kriegsverbrechen?
Über KI-Systeme im Kriegseinsatz in Gaza und warum…
39 min
Recharge your batteries with us
– an empowering journey through the energy transition
38 min
51 Ways to Spell the Image Giraffe:
The Hidden Politics of Token Languages in Generative AI
41 min
Build a Fake Phone, Find Real Bugs
Qualcomm GPU Emulation and Fuzzing with LibAFL QEMU
41 min
Chaos Communication Chemistry
DNA security systems based on molecular randomness
55 min
