Earlier than ever before, the design team is giving us the opportunity to adorn flags, circuit boards, sunglasses, and websites with the hot Congress partner look. To this end, the two designers of 39C3, Nina Bender and Bernd Volmer, have lovingly crafted a design guide with a matching font that should spur our creativity and enable many playful and nerdy interpretations.

We have been provided with a professionally designed variable font to play with. Using only a few cleverly placed lines of CSS as in the examples here, blinking …

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 …

Vom 27. bis 31. August 2025 findet erneut die „ChaosZeltZone“ (vormals „dC3“, „thereisno.camp“) an der Talsperre Pöhl bei Plauen statt. Wir würden uns freuen, wenn viele Hacker:innen vorbeikommen, um die Region zu erkunden, Wissen auszutauschen, Mate zu trinken oder einfach etwas herumzuhacken. Außerdem könnt ihr euch für etwas „liquid cooling“ in die Fluten der Talsperre stürzen. :)

• Ort: Campingplatz Gunzenberg, Hauptstraße 38, 08543 Pöhl (OpenStreetMap)
• Website: ChaosZeltZone
• Tickets: Pretix

Das Event findet auf einem sauberen und ordentlichen Campingplatz statt. Gepflegte sanitäre …

Every November, the Nights of Open Knowledge take place in Lübeck – and starting now, the Call for Participation for NooK 2025 is open! You can submit workshops, talks, lightning talks, booths, and meetups.

Submissions are open until 28 September.

As always, the theme is everything! At NooK, archaeology meets climate research, cycling infrastructure meets open data, and digital self-defence meets planting trees. NooK is a place to share your knowledge and to make it accessible to all.

This diverse range of topics is only possible because of people who are passionate about their subject and …

Vom 19. bis 20. Juli 2025 findet zum 4. Mal Hack an der Ruhr statt – ein Wochenende voller Technik, Austausch, spontaner Sessions und gemütlichem Camp-Feeling. Die Anreise und der Aufbau beginnen bereits am Freitag, 18. Juli. Ihr seid eingeladen, schon am Freitag anzureisen. Der Abbau erfolgt am Sonntag nach dem gemeinsamen Frühstück.

• Ort: Burg Husen, Syburger Dorfstraße 135, 44265 Dortmund
• Website
• Tickets

Neben Zeltplätzen stehen auch Schlafplätze im Haus zur Verfügung. Diese können direkt über das Ticketsystem gebucht werden, einige Betten sind noch frei. Nicht vergebene Plätze werden vor …