http://nvd.nist.gov/fdcc/index.cfm
http://www.amazon.com/BackTrack-Assuring-Security-Penetration-Testing/dp/1849513945/
http://www.aldeid.com/index.php/Backtrack
http://www.securitytube.net/listing?type=latest
http://www.ask-a-pentester.com/
http://www.offensive-security.com/metasploit-unleashed/Msfconsole