Learn how attackers see the web, then find your first flags.

Get comfortable on the command line, the hacker home turf.

How data actually travels between machines.

Find what is hiding in plain sight.

The other operating system you will meet on every engagement.

Speak the language of networks: the OSI model, the TCP handshake and the ports you meet every day.

Requests, responses, methods and status codes — the foundation every web hacker needs.

The CIA triad, and the crucial difference between encoding, hashing and encryption.

See an attack as a chain of stages — and learn where defenders can break it.

Why AI is its own attack surface, and the OWASP LLM Top 10 that maps it.

The ethics and the core idea: game state is just numbers in memory.

The shared responsibility model and why identity, not the network, is the new perimeter.

What a room, task, flag and point are — and how to answer your very first question.

The single most important lesson: only ever test systems you own or are allowed to test.

Two ways to start — browser-only, or a free isolated Kali Linux VM. Step by step.

What a terminal is, how to read the prompt, and ten commands you will use forever — try each one.

The handful of tools every beginner should know, what each one does, and how to install them.

Capture a real hidden flag on this very website, step by step. No tools required.

A short challenge box to test what you have learned.