TL;DR
The Fahrplan lists the published program for 39C3 across two days (Dec 27–28), with session times, speakers, durations and track assignments. The schedule spans topics including security, hardware, science, ethics/policy, art, and community programming.
What happened
The posted Fahrplan for 39C3 provides the event timetable for Saturday, December 27 and Sunday, December 28. Each entry shows a start time, duration, talk title, presenter(s) and the assigned track (for example Security, Hardware, Science, Ethics, Society & Politics, Art & Beauty, CCC & Community, and Entertainment). Day 1 opens at 10:30 with an Opening Ceremony and continues through late-night slots covering topics such as breaches, AI ethics, hardware hacking, and digital rights. Day 2 begins with a Junghacker introduction and includes longer-format items like a two-hour Lightning Talks block and a 1h40m CCC year-in-review. Sessions vary in length, typically 40 or 60 minutes, with some extended slots. The Fahrplan is presented as a detailed session-by-session timetable without additional context such as venue capacity or recording status.
Why it matters
- The lineup reflects a wide range of technical, social and artistic perspectives on digital topics within a single program.
- Security sessions on vulnerabilities and exploits indicate presenters intend to discuss practical research and incident analysis.
- Ethics and policy tracks include discussions on AI, digital identity and legal issues, showing attention to societal impacts of technology.
- Hardware and science tracks feature hands-on and research-focused talks, suggesting a mix of demonstrations, engineering and experimental work.
Key facts
- Dates covered in the Fahrplan: Saturday, December 27 and Sunday, December 28.
- Day 1 opens at 10:30 with an Opening Ceremony (30 minutes).
- Talk durations are typically 40 minutes or 60 minutes; a two-hour Lightning Talks block appears on Day 2 at 11:00.
- Tracks used in the schedule include Security, Hardware, Science, Ethics, Society & Politics, Art & Beauty, CCC & Community and Entertainment.
- Selected Day 1 sessions include: 'A Tale of Two Leaks: How Hackers Breached the Great Firewall of China' (Jade Sheffey, Security, 11:00, 40m) and 'AI-generated content in Wikipedia – a tale of caution' (Mathias Schindler, Ethics, Society & Politics, 23:55, 40m).
- Selected Day 2 sessions include: 'Protecting the network data of one billion people: Breaking network crypto in popular Chinese mobile apps' (Mona, Security, 11:00, 60m) and 'A post-American, enshittification-resistant internet' (Cory Doctorow, Ethics, Society & Politics, 13:30, 60m).
- Several security-focused talks cover topics such as BitLocker extraction, Android TEEs, WhatsApp 0-click exploits, and FreeBSD jail containment.
- Hardware-focused items include OpenAutoLab film processing, Bluetooth on ESP32, and reverse-engineering synthesizer DSPs.
What to watch next
- Day 1 — 11:00: 'A Tale of Two Leaks: How Hackers Breached the Great Firewall of China' by Jade Sheffey (Security). not confirmed in the source
- Day 2 — 11:00: 'Protecting the network data of one billion people: Breaking network crypto in popular Chinese mobile apps' by Mona (Security). not confirmed in the source
- Day 2 — 13:30: Cory Doctorow's talk 'A post-American, enshittification-resistant internet' (Ethics, Society & Politics). not confirmed in the source
Quick glossary
- Fahrplan: A timetable or schedule listing sessions, times, speakers and tracks for an event.
- Track: A themed stream or category within a conference program (e.g., Security, Hardware, Science).
- Lightning Talks: A block of short presentations, typically several rapid-fire talks in a single session.
- Secure Boot: A system feature that ensures only trusted software is allowed to run during device startup.
- 0-click exploit: A vulnerability that can be triggered without any interaction from the target user.
Reader FAQ
When does the published Fahrplan cover?
The schedule lists sessions on Saturday, December 27 and Sunday, December 28.
Where can I access the full timetable?
The source used is the event Fahrplan at https://fahrplan.events.ccc.de/congress/2025/fahrplan/.
How long are most talks?
Most entries are either 40 minutes or 60 minutes; there are also some longer slots (for example a 2-hour Lightning Talks block and a 1h40m year-in-review).
Are session abstracts or recordings included in the Fahrplan?
not confirmed in the source
Sat – Day 1 – December 27 10:30 30m Opening Ceremony pajowu, Stella CCC & Community 11:00 40m All Sorted by Machines of Loving Grace? "AI", Cybernetics, and Fascism and…
Sources
- Fahrplan – 39C3
- Fahrplan – 39C3
- Timetables for 39C3, hot off the press: The Fahrplan is out
- 38th Chaos Communication Congress
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