Sign up free and start hacking right in your browser. Everything you do earns XP - and XP moves you up.
A fresh bite-size challenge every day - no machine to spin up, just a few minutes. Solve it, earn XP, and keep your streak alive.
Try today's hack212 days - streak record
Start your streak today.
No experience needed. This is the whole platform in three moves.
Start with short, tap-through lessons and easy-to-read courses. One idea at a time, in plain English - even if you have never touched security.
Start a lessonBreak into real, deliberately weak machines right in your browser. Find the hidden flags and submit them. Stuck? An AI coach nudges you to the next step.
Browse the labsEvery lesson, flag, and chapter earns XP. XP moves you up eight ranks - from Rookie to Legend - and onto the global, country, and monthly leaderboards.
See the rankingsCross an XP threshold and you rank up. Everyone starts at Rookie.
Sign up free. The first flag is the only hard one.
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