CSCTF 2026

about

CSCTF 2026: Total Warfare is a free, international, 48-hour online Jeopardy-style CTF. This is the second edition of CSCTF. Last year's competition brought together 600+ players from more than 10 countries. The event is built around realistic cybersecurity scenarios inspired by critical infrastructure, defence and modern adversary tactics. Expect 40+ challenges across web, pwn, crypto, reverse engineering, forensics, misc, Linux, Windows and operational security, with scenarios involving energy, telecom, finance, healthcare and defence. The competition is welcoming to newer players while still rewarding strong methodology and technical depth. Players compete in Junior, Senior and Fighters divisions. Squads can have one to five players, and solo players are fully eligible for prizes. Challe