Capture The Flag 2017

Computer security challenges for every student

Online qualifications : 17 to 20 February
IRL Finals on the 27th.

Open for every ULB and VUB student.
Difficulty ranges from beginner to advanced, everybody is welcome.

Register now !

Teams of 1 to 4 persons, dozens of challenges.

Cryptography, steganography, reverse engineering, networking,
forensics and web challenges.

Register now !

Join us on IRC :

We are also on Twitter and Facebook.

Made with love by UrLab, AGPL license. Source on GitHub. Feel free to contact us at