Home

• Presenting a challenge at Montrehack
• Sponsor an edition of Montrehack
• Upcoming and candidate challenges spreadsheet

Training

Online resources to train.

• OverTheWire, for beginners?
• Hack This Site!
• Smash The Stack
• RingZero Team Online CTF
• Practice CTF List, a big collection of online/permanent CTFs
• WeChall, Cryptographic, Crackit, Steganography, Programming, Logic and Math/Science