TL;DR:

This year, the Heralds will once again guide you through the 39C3 program. Unlike previous years, there have been some changes.

Would you like to join the Herald team? Then please contact 39c3-heralds@cccv.de by December 1 with the following information:

• Which Herald category you see yourself in (experienced Herald/mentor, Herald mentee)
• Link to a recording of your moderation (if available)
• Language skills (de/en/fr)
• Preferred topics/tracks (e.g., security, hardware, politics & society, art & beauty)
• Availability (day x, mornings, afternoons, evenings, nights)

The Heralds …

Am 29.12.2025 lädt der CCC zum dritten Azubi-Tag auf dem jährlichen Chaos Communication Congress. In den letzten Jahren war er schon ein voller Erfolg und wir sind gespannt auf die nächste Iteration!

Eingeladen sind Auszubildende aller Berufe, die den Congress und den CCC kennen lernen möchten. Sie bekommen ein vergünstigtes Tagesticket.

Es wird eine Einführungsveranstaltung und ein Programm für Auszubildende geben.

Das Programm des Congresses beschränkt sich nicht auf IT-Themen, sondern beinhaltet auch Beiträge zu Kunst, Kultur und Gesellschaft, sodass der Congress auch für Azubis außerhalb …

You surely remember the two community stages at 38C3 and the great programme there, which was submitted by the community and curated by the habitats. There will be no community stages this year. Instead, we decided to add a new community track and a fourth stage to the main programme, and we also provide a further stage for talks in the context of Self-Organized Sessions.

Why did we make this change?

Short explanation: you were just too good!

Long explanation: The quality of the talks on the community stages was practically in no way inferior to those in the main programme. Looking back, we …

We’re happy to finally announce the presale for this year’s Chaos Communication Congress. It will work pretty much the same as last year:

We’ll again be using our system of replicating vouchers. The presale will run in two phases: the voucher phase and the open sale.
We’ll explain this as briefly as we can here. If you want to read more about it, we also have a documentation page available, where we’ll add more information in the coming days.

The voucher phase will run from 2025-10-21 until 2025-11-12 and works as follows:

• There is a fixed quota for this phase. Once this quota is …

Everybody remembers their first event shirt, proudly still worn in all its faded glory. From charming meetups with twenty people on rickety benches under disco lights in old factory lofts, to huge events with tens of thousands of kindred spirits: For almost thirty years, our event designs have provoked thought and played with ambiguity, have puzzled and delighted. A testament to almost thirty years of bursting community creativity, we now celebrate them with the first-ever CCC Design Archive.

With this archive, we aim to honour the work of the almost seventy designers and shine the spotlight …

We invite you to enrich our programme with your lectures and the 39C3 with music, art, and punk. The call for participation in four fields is now online.

The Chaos Computer Club (CCC) is inviting to the 39th Chaos Communication Congress in Hamburg at the end of December and is now asking for your ideas for lectures. You can also support the best hacker party of the year with your music and art performances and with punk.

Please read our Call for Participation carefully, before submitting ideas. It includes practical tips and guidance on how to best present your submission and how to avoid …

Das nächste chaos.jetzt-Geekend steht vor der Tür! Vom 7. bis 9. November 2025 treffen sich junge Menschen bis 25 im CCC FFM für ein Wochenende voller Austausch, Workshops, Vorträge und Diskussionen – von Technik bis (Netz-)Politik, diesmal in großer Runde!

Falls ihr uns noch nicht kennt: Wir organisieren regelmäßig Geekends für junge Menschen aus dem Chaosumfeld, jedes Mal in einem anderen Hackspace.

Freut euch auf selbstorganisierte Sessions, spannende Workshops und mitreißende Vorträge. Außerdem bleibt viel Raum zum Netzwerken, Ideen spinnen und neue Kontakte knüpfen. Es gibt die übliche …

Book your holiday, dog-ear your calendar, order a suitcase, check the bed exchange and wash your congress shirts: Between 27 and 30 December 2025, it will once again be time to join the Chaos Computer Club in organising, experiencing and celebrating Europe’s biggest and most relaxed hacker party, net culture party and tech conference. For this year’s edition, we will open Hamburgs Congress Center’s doors under the motto “39C3: Power cycles”, you can read the invitation on the CCC website for the proper pep talk:.

Get ready to join hundreds of like-minded …