Hexcellents CTF Wiki
CTF Practice and Learning
Online wargames
- Practice CTF List: http://captf.com/practice-ctf/
- SmashTheStack: http://smashthestack.org/
- OverTheWire: http://www.overthewire.org/wargames/
- WeChall: http://www.wechall.net/
- mai multe, agregate
- W3Challs: https://w3challs.com/