BiW Reversing
Crackmes, tutorials, references, and forum.
biw.rult.at Details

E-Forumz
Forums on hacking and cracking and general computing.
www.e-forumz.com Details

FHCF - Flying Horse Cracking Force
Some background information about the group, member list, and some cracking tutorials.
www.fhcf.net Details

Hacking and Cracking 3k
Contains tutorials, hacking utilities, and security tools.
www.hnc3k.com Details

Neworder
Hacking, cracking and security exploits.
neworder.box.sk Details

Reverse Engineering Team
Contains projects, papers and tools.
www.reteam.org Details

Serials 2000
News, discussion, information and help.
www.serials2000.org Details