CTF

A list of CTF sites - online and self hosted

• TryHackMe

• HackTheBox

• RingZer0

• Hackthissite

• CTFlearn

• Wargames

• Crackmes

• Cryptohack

• echoCTF

• Hacker101

• OverTheWire

• PentesterLab

• SANS Holiday Hack Challenge

• VulnHub

• flaws.cloud

• AWS CloudGoat

• AWS CloudGoat2

• OWASP Juice Shop

• Kubernetes Goat

• CI/CD Goat

• bWAAP

• WebGoat

• Google CTF

• XSS Game

• pwn.college

• Defend the Web

CTF Events

• https://ctftime.org/

• https://www.reddit.com/r/securityCTF/