A collection of internet and computer security resources.
Crewl Underground Madness
Belgian group specialized in computer and network (in)security, hacking, coding and phreaking.
Cult of the Dead Cow
Offers weblog, team background, tools and BackOrifice downloads, and news archive.
HATE (Hackers Against Tyranny Everywhere)
Anarchy, HAcking, Phreaking files for newbies.
Group of hackers in the United Kingdom. Information about meetings, projects, and links to personal pages.
Nomad Mobile Research Centre
Hacker lab engaged in vulnerabilities research. Security papers, full disclosure advisories and current projects. Also features a FAQ on hacking techniques.
SoCal's hacking group. Canadian free since 1999.
Coding group. Offer hacking tools and vulnerability exploits.