Hacking-Challenges is a German challenge site with challenges in 8 categories, tools, a forum, and much more.

Created on 15.01.13 19:51 UTC+0

A collection of games and challenges related to Cryptography, Enumeration, Hacking, Cracking, Coding, Programming, Forensics, N...

Created on 18.01.13 10:02 UTC+0
Shirobi Labs

Shirobi labs is a blog that explains various challenges (without giving away the answers). The site also provides many articles...

Created on 24.02.13 14:27 UTC+0


Lockboxx is an infosec education blog, devoted to providing quality resources and information to expedite learning the art of h...

Created on 06.01.14 08:34 UTC+0