https://events.ccc.de/congress/2023/infos/index.html
https://events.ccc.de/congress/2023/hub/en/wiki/start/
https://events.ccc.de/en/category/37c3/
https://en.wikipedia.org/wiki/Chaos_Computer_Club
https://en.wikipedia.org/wiki/Chaos_Communication_Congress
Streams: https://streaming.media.ccc.de/37c3/
Recordings: https://media.ccc.de/c/37c3
I miss being there. But it's increasingly difficult to get a ticket.