Hack forums.
elitehackforums.com
www.crackhackforum.com
www.viphackforums.net
www.anon-hackers.com
www.opensc.ws
www.hackthissite.org
www.binrev.com/forums
www.crackmes.de
www.hack-tech.com
www.hackhound.org
www.crackingforum.com
www.securitytube.net
www.evilzone.org
[list of forums and hacking community.]