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National Communication Systems list of “Hacking Sites”

(When it comes to hacking sites on the web, it really depends on your perspective as to who’s a good guy and who’s not. Just because someone has exploits on their site, it doesn’t mean they’re evil, but they’re probably not saints either. Anyway, some hats are blacker than others; these are mostly various shades of gray and will hopefully give you a feel for what’s going on in the hacking underground. Some may contain offensive content. Proceed at your own risk!)

 * 2600
 * Antioffline
 * attrition.org
 * Cult of the Dead Cow (cDc)
 * CyberArmy
 * Damage Inc.
 * DEF CON
 * Deleacroix AOD
 * Ghettohackers
 * Hacker Emergency Response Team (HERT)
 * Hack in the Box
 * Hackology
 * Hack Shock
 * Happy Hack
 * Higher Learning
 * Hackers Without Attitude (HWA)
 * Insecure.Org
 * Lady Sharrows Playground
 * Megasecurity.org
 * Mixter Security (Team Void)
 * Nomad Mobile Research Centre
 * Rain.Forest.Puppy
 * Sudden Discharge
 * TESO
 * w00w00 Security Development</blockquote>