This post summarizes some websites for capture the flag challenges or hackatons.
List of Capture the Flag Webs
Capture the flag webs featured on this post:
- HackTheBox
 - CTF365
 - OverTheWire
 - HackingLab
 
HackTheBox
CTF365
OverTheWire
HackingLab
External References
- Stefan P. Bargan; “Best CTF Platforms“; InfoSec WriteUps