THTJ
AntiOnline
X-Treme
Technotronic
L0pht Heavy Industries
Cult of the Dead Cow
Phrack Magazine
2600 Magazine
Active Matrix's Hideaway
Chaos Computer Club
Access All Areas
Infected Information
Circle of Fire (UK)
Underground News
LineNoise
Rootshell
Phone Losers of America
Genocide2600
The Underground
The Legacy
hackHull?
Information Warfare
Fike Force
Fyodorr's Playhouse
Access Danied
rootzine
The CAU GHQ
DigitalMindStream
r00t
United Council
Undernut.Org
United Hackers of BenettOr
Hackers