5 links
^Rob's WerLD
r_o_b_43.tripod.com
Contains information about viruses and trojans and their fixes. For newbies and advanced.
Attrition's Newbie Area
unixgeeks.org
Newbie-oriented tutorials about stuff like UNIX and system penetration auditing.
Hackers World Portal
geocities.com
Links to hacking history, cryptology, censorship, international hacking groups, news, publications, security, weekly features.
Linux Documentation Project
linuxdoc.com
Compilation of tutorials and HOWTOs for the linux operating system.