Learn concepts
Build understanding before you move into practical work.
Analyze targets, execute realistic attacks, and level up your cyber skills - one flag at a time.
No installation or setup required. Everything runs in your browser. Just one click to get started.
Level up your skills through labs and competitions that make cybersecurity training both fun and effective.
Go beyond isolated CTFs with full recon-to-exploit scenarios that mirror real-world hacking workflows.
See devices, services, and weak points in one map.
Explore dynamic network topologies with interconnected devices, services, and vulnerabilities. Understand how systems relate, where weaknesses lie, and how attackers move laterally across a network, making every decision strategic.
Learn the attack flow inside a guided terminal.
___ _ _ / __\ | __ _ __ _ /\ /\__ _ ___| | __ / _\ | |/ _` |/ _` | / /_/ / _` |/ __| |/ / / / | | (_| | (_| | / __ / (_| | (__| < \/ |_|\__,_|\__, | \/ /_/ \__,_|\___|_|\_\ |___/┌──(user@attacker)-[~]
└─$nikt0 192.168.0.1:80CWE-79 Cross-Site Scripting (XSS)
A gamified shell environment that teaches by doing. Interact with a realistic terminal interface designed for learning offensive security techniques. From scanning to exploiting, the FlagHack Shell walks you through the commands, tools, and decision-making used by real hackers.
Build your network, defend it, and steal flags from other players.
Enter a gamified cybersecurity arena where every player builds and defends their own network. Attack other players' networks, find weak services, steal flags, and protect your own infrastructure from incoming attacks. Arena chat, faction pressure, leaderboards, and live competition turn practice into a social hacking experience.
Learn the concept first, practice it in labs, then evaluate progress.
Build understanding before you move into practical work.
Use hands-on labs to apply the concept in action.
Review completion and results to see what to improve next.
Try the demo or create a free account to unlock all features.