39C3 (more languages)

Dec 27, 2025 – Dec 30, 2025

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December 28, 2025

Time
One
Zero
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Canceled talk
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en β†’ br
Protecting the network data of one billion people: Breaking network crypto in popular Chinese mobile apps

11:00 - 12:00 (60min) One
assigned (2)

candidates (4)

en β†’ br
Skynet Starter Kit: From Embodied AI Jailbreak to Remote Takeover of Humanoid Robots

12:15 - 13:15 (60min) One
assigned (2)

candidates (2)

en β†’ fr
A post-American, enshittification-resistant internet

13:30 - 14:30 (60min) One
assigned (3)

candidates (6)

en
Chaospager - How to construct an Open Pager System for c3

14:45 - 15:25 (40min) One
assigned (0)

en β†’ fr
Cracking open what makes Apple's Low-Latency WiFi so fast

15:40 - 16:20 (40min) One
assigned (2)

candidates (2)

de β†’ fr
CCC-JahresrΓΌckblick

16:35 - 18:15 (100min) One
assigned (3)

candidates (5)

en β†’ fr
In-house electronics manufacturing from scratch: How hard can it be?

19:15 - 19:55 (40min) One
assigned (3)

candidates (5)

de β†’ es
freiheit.exe - Utopien als Malware

20:10 - 20:50 (40min) One
assigned (2)

candidates (2)

de β†’ fr
Verlorene Domains, offene TΓΌren - Was alte BehΓΆrdendomains verraten

21:05 - 21:45 (40min) One
assigned (2)

candidates (2)

en β†’ fr
Don’t look up: There are sensitive internal links in the clear on GEO satellites

22:05 - 22:45 (40min) One
assigned (2)

candidates (3)

en β†’ pl
Xous: A Pure-Rust Rethink of the Embedded Operating System

23:00 - 23:40 (40min) One
assigned (2)

candidates (2)

en
Code to Craft: Procedural Generation for the Physical World

23:55 - 00:35 (40min) One
assigned (0)

de β†’ fr
GPTDash – Der Reverse-Turing-Test

01:00 - 02:30 (90min) One
assigned (1)

candidates (2)

de β†’ fr
Lightning Talks - Tag 2

11:00 - 13:00 (120min) Zero
assigned (3)

candidates (3)

en β†’ fr
Agentic ProbLLMs: Exploiting AI Computer-Use and Coding Agents

13:30 - 14:30 (60min) Zero
assigned (3)

candidates (5)

en β†’ fr
Live, Die, Repeat: The fight against data retention and boundless access to data

14:45 - 15:25 (40min) Zero
assigned (3)

candidates (3)

de
Amateurfunk im All – Kontakt mit Fram2

15:40 - 16:20 (40min) Zero
assigned (0)

en β†’ fr
Lessons from Building an Open-Architecture Secure Element

16:35 - 17:15 (40min) Zero
assigned (2)

candidates (2)

en β†’ es
Variable Fonts β€” It Was Never About File Size

17:35 - 18:15 (40min) Zero
assigned (2)

candidates (4)

de β†’ es
Amtsgeheimnis raus, Datenhalde rein: was die Informationsfreiheit in Γ–sterreich bringt

19:15 - 19:55 (40min) Zero
assigned (2)

candidates (3)

en β†’ pl
Prometheus: Reverse-Engineering Overwatch

20:10 - 20:50 (40min) Zero
assigned (2)

candidates (2)

de β†’ es
Wie wir alte Flipperautomaten am Leben erhalten

21:05 - 21:45 (40min) Zero
assigned (2)

candidates (3)

en
How To Minimize Bugs in Cryptography Code

22:05 - 22:45 (40min) Zero
assigned (0)

candidates (2)

en β†’ fr
The Small Packet of Bits That Can Save (or Destabilize) a City

23:55 - 00:35 (40min) Zero
assigned (2)

candidates (2)

de
Junghacker:innentag EinfΓΌhrung

10:00 - 10:45 (45min) Ground
assigned (0)

en β†’ fr
Hatupangwingwi: The story how Kenyans fought back against intrusive digital identity systems

11:00 - 12:00 (60min) Ground
assigned (3)

candidates (3)

en β†’ fr
Suing spyware in Europe: news from the front!

12:15 - 13:15 (60min) Ground
assigned (3)

candidates (4)

en β†’ pl
A space odyssey #2: How to study moon rocks from the Soviet sample return mission Luna 24

13:30 - 14:30 (60min) Ground
assigned (2)

candidates (3)

en β†’ es
Chaos Communication Chemistry: DNA security systems based on molecular randomness

14:45 - 15:25 (40min) Ground
assigned (2)

candidates (2)

de
Burn Gatekeepers, not Books!

15:40 - 16:20 (40min) Ground
assigned (0)

en β†’ fr
Persist, resist, stitch

16:35 - 17:15 (40min) Ground
assigned (3)

candidates (5)

en β†’ pl
Current Drone Wars

17:35 - 18:15 (40min) Ground
assigned (3)

candidates (6)

en β†’ fr
Recharge your batteries with us - an empowering journey through the energy transition

20:10 - 20:50 (40min) Ground
assigned (2)

candidates (4)

en β†’ lv
CSS Clicker Training: Making games in a "styling" language

21:05 - 21:45 (40min) Ground
assigned (1)

candidates (1)

en β†’ fr
Textiles 101: Fast Fiber Transform

22:05 - 22:45 (40min) Ground
assigned (2)

candidates (2)

en
Reverse engineering the Pixel TitanM2 firmware

23:55 - 00:35 (40min) Ground
assigned (0)

de β†’ br
selbstverstΓ€ndlich antifaschistisch! Aktuelle Informationen zu den Verfahren im Budapest-Komplex - von family & friends Hamburg

13:30 - 14:30 (60min) Fuse
assigned (2)

candidates (6)

de
Power Cycle B7 oder Warum kauft man eine Zeche?

14:45 - 15:25 (40min) Fuse
assigned (0)

de β†’ fr
Auf die Dauer hilft nur Power: Herausforderungen fΓΌr dezentrale Netzwerke aus Sicht der Soziologie

16:35 - 17:15 (40min) Fuse
assigned (1)

candidates (1)

en
A Quick Stop at the HostileShop

17:35 - 18:15 (40min) Fuse
assigned (0)

en
How to render cloud FPGAs useless

19:15 - 19:55 (40min) Fuse
assigned (0)

en β†’ fr
Trump government demands access to European police databases and biometrics

20:10 - 20:50 (40min) Fuse
assigned (3)

candidates (4)

de β†’ br
Power Cycles statt Burnout – Wie Einflussnahme nicht verpufft

21:05 - 21:45 (40min) Fuse
assigned (2)

candidates (2)

de β†’ pl
Machine Vision – Vom Algorithmus zum Baumpilz im digitalen Metabolismus

22:05 - 22:45 (40min) Fuse
assigned (1)

candidates (1)
  • dawgctor de,en,pl,fr β†’ pl,de,en 2x Computer Vision Art Summer School at TU Berlin + M.Sc in 3d computer vision

en
Awful interception: misadventures of the russian surveillance machinery

15:40 - 16:20 (40min) Canceled talk
assigned (0)

candidates (2)