Training & practice

Where to build the skills. Start with the guided platforms, graduate to the wargames, then play CTFs with us.

11 links

links/training

Guided rooms and learning paths — the gentlest on-ramp.

Boxes, Pro Labs and a genuinely hard endgame.

Free, thorough, and the best web-security training available at any price.

The classic wargames. Bandit first, always.

Beginner-friendly CTF challenges that stay available year-round.

Hundreds of challenges across every category.

Cryptography, taught by breaking it.

University-grade binary exploitation and systems security.

Downloadable vulnerable VMs for offline practice.

Hands-on web exploitation exercises with real CVEs.

The CTF calendar, ratings and team pages. Ours is linked from /ctf.