The One-Eyed
The Ravens’ leader: one red eye blazing, the other scarred shut, the torn flag on his chest.
About
A free learning platform for people who know nothing about hacking or CTF competitions and want to start the right way.
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Goal
The goal is education only. There is no competition, no leaderboard and no accounts.
Each lesson explains the idea from the ground up, then lets you try it yourself, because you understand a vulnerability by watching it work and then fixing it.
Labs
The labs are small fictional web applications written for learning. They run entirely inside your browser, and no request is sent to a real server.
Each lab is isolated from the site, so what you try inside it cannot reach anything outside it.
Privacy
We collect no data. Your progress is stored in your browser, and you can export or clear it from the “My progress” page.
Videos are not loaded from YouTube until you click them.
The Ravens
A story runs under the tracks: a crew of crows the falcon hunts from the first thread to the last nest. It is only a frame to make the practice memorable — the techniques are real, the crew is not.
In the Falcon’s world a gang of crows steals, breaks, and vanishes. Three of them lead the rest: the One-Eyed, the Hacker, and the Lookout. Their emblem is a torn flag, a corrupted mirror of our own, and the falcon hunts them from the first thread to the last nest.
The Hacker
Lean, hunched over a glowing device: the one who built the Ravens’ broken web apps.
The Lookout
Small and twitchy: he leaves the trails and clues the falcon follows.
At the very end the three are cornered in one net: the One-Eyed, the Hacker, and the Lookout. The torn flag falls, and the true flag flies.
Ethical notice
The skills you learn here are for learning and authorised testing only.
- Do not test any system, website or account unless you own it or hold clear written permission from its owner.
- Unauthorised access to systems is a crime punishable by law, even when it is done out of curiosity or “just to try”.
- Practise in the platform's labs, in dedicated training environments, and in bug bounty programmes that permit testing under their terms.
- If you come across a real vulnerability by accident, report it responsibly to the system's owner and do not exploit it.
The developer
Built by Ja4_.