Here is a list of some of really good hacking sites:
http://www.blackhat.com/
http://hellboundhackers.org/
http://www.securityfocus.com/
http://www.progenic.com/
http://www.securitytube.net/
http://www.remote-exploit.org/
http://www.windowsecurity.com/
http://www.plain-text.info/
http://www.hackingalert.com/
http://insecure.org/
http://milw0rm.org/
http://www.hackthissite.org/
