Havoc Ware Cool h/p text files and executables
paranoia.com Social engineering and other such files
The OFFICIAL Phrack Home Page Phrack, the premier h/p magazine
L0pht Heavy Industries The L0pht is probably the most prominent and least lame h/p group in the US
The Kn0wledge Phreak Ole Buzzard's page, this guy has everything for Macs, text, programs, this is a goldmine!
Cap'n Crunch's Page This guy is the original, one of the oldest phreaks. He has an amazing page.
How to build your own ATOMIC BOMB
Why AOL sucks A great resource as to how AOL works behind the scenes
The MIT Guide to Lock Picking Everything you could ever ask for about locks and opening them illicitly
cDc Online The Cult of the Dead Cow archives - I recomend Count Zero's account of HoHoCon 94, it's hilarious yet serious
DefCon '96 DefCon will be in Las Vegas this year, this is the place for info
The Legion of Doom The L0D is one of the oldest active h/p groups in the US
The Freedom Page Various freedom of speech and other undergroundish files
Survival Research LabsSurvival tactics, underground information.