• Date: 2025-12-27 20:00 UTC - 2025-12-29 20:00 UTC
• Format: Jeopardy
• Location: online, optionally @ 39C3
• Prizes: tba
• URL: https://2025.ctf.link

It’s that time of the year again and December is fast approaching. We are happy to announce this year’s hxp 39C3 CTF, which will run for 48 hours during 39C3. We’re looking forward to seeing you in Hamburg (but you can of course also participate online).