Live nowJeopardy
Saiko Open 2026
Our flagship jeopardy-style CTF. All categories, all skill levels, 48 hours of hacking.
Jul 5, 2026, 06:00 PM → Jul 7, 2026, 06:00 PMWeb · Crypto · Pwn · Forensics · Reversing
Saiko Labs
Events
Timed CTF events with dynamic scoring. Compete solo or roll in with your clan.
Our flagship jeopardy-style CTF. All categories, all skill levels, 48 hours of hacking.
An OSINT-focused sprint. Track the trail, connect the dots, report back before dawn.
Attack/defense team battle. Patch your services while breaking everyone else's.
Nothing but ciphers — from classical substitution to lattice-flavoured nightmares.
Binaries, bytecode and obfuscation. Bring your disassembler and your patience.