Learn cybersecurity by doing — open a real terminal in your browser and clear one friendly mission at a time. Swing the sword to break in, raise the shield to lock it down. Gigo's right beside you.
Every mission runs in a safe, sandboxed range. Nothing you do here can hurt a real system — that's the whole point.
Scan a live host, read what it tells you, and map the open doors. Your first taste of thinking like an attacker.
Start mission → Red · attackFind the hidden flag on a vulnerable box using nothing but your terminal and your wits. Win, and you level up.
Start mission →A real terminal, right in your browser. No VM, no Kali setup, no “it broke on my laptop.”
You don't watch a lecture — you run the command, see the result, and understand why. The Feynman way.
Break in and lock down. Understanding both sides is what makes a real defender — that's purple team.
Real players, real progress. Every rank here was earned in a terminal.
loading the range...
Free to start. No card, no download — just you, a terminal, and Gigo.
Start learning — it's freeGhostNet Academy is built, broken, and made better by people who chose to help.
We train Filipino students in offensive and defensive security — free to start, no download, no lab budget. Partner with us and your name sits here, in front of every learner who lands on this page.