Hacking Sites
8LGM
Berkeley Cypherpunks
Hackers.com
The Infinity Void
L0pht Heavy Industries
r00t Heavy Industries
TACD
TakeDown
Underground

Consortiums & Companies
CERT Coordination Center
The Internet Engineering Task Force
Network Security Consortium
RSA Data Security Inc.
VeriSign Digital ID Center

Newsgroup
alt.2600.crackz
alt.2600.hackerz
alt.2600.phreakz
alt.crackers
alt.cracks
alt.hacker
alt.hackers
alt.security

Miscellaneous
2600
Bugtraq mailing list archives
DigiCrime, Inc.
Hostile Applets Home Page
Info Security News
Info War
Phrack Magazine
Ping o' Death
Secure Internet Programming