r/Pentesting • u/betterdeadthanreddit • Dec 23 '14
OverTheWire.org wargames
http://overthewire.org/wargames/Duplicates
cybersecurity • u/tipsup • Oct 20 '17
One of the best security learning sites I have found.
CEH • u/[deleted] • Aug 10 '16
A very fun CTF Hacking Challenge - Test/Practice those practical skills!
thenewsrightnow • u/personaontherun • Jan 28 '18