L3akCTF 2026 is the third annual Capture the Flag competition hosted by team L3ak, welcoming participants of all backgrounds and experience levels.

We’re bringing 50+ original challenges spanning 8 categories: crypto, web, rev, pwn, misc, forensics, OSINT, and hardware/RF. The difficulty will range from beginner to expert.

With great prizes on the line and a strong focus on quality and fun, L3akCTF 2026 is built to deliver an exciting, memorable weekend of hacking.

AI assistance will be strictly prohibited in L3akCTF 2026. Any detected AI usage will result in immediate disqualification. Leave your LLMs at home; this competition is for humans only.

Discord: https://discord.gg/KfpVAPXYMD

Infra sponsored by goo.gle/ctfsponsorship

TBD

Interested teams

42 teams total

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