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Capture The Flag

Legally hack the dedicated services we host.

We like to invite you to our digital egghunting in the form of a easy to medium CTF. Please visit https://board.eh22.c3h2.de for further information. Do not panic, if the board is not accessible yet.

The challenges are accessible starting at 18.04.2025 18:00 22:00 till 20.04.2025 18:00 22:00.

The site will be online a few hours before the challenges start, so you have enough time to register. If you require any further assistance regarding the challenges, you can also find us in the hacking area, where we have a table ready. We also have a matrix channel that you can join, where we try to answer questions regarding challenges. You can join here https://matrix.to/#/#easterhegg2025-ctf:hamburg.ccc.de

Be aware of our challenge policies. There are no prizes.

News

- 2025-04-18T16:16+02:00: We delayed the start to 22:00.