Providing information about computer security vulnerabilities, security alerts and vulnerabilities, and incident response services to sites that have been the victims of attacks. http://www.hert.org/
InfoSec News is a privately run, medium traffic list that caters to distribution of information security and hacking news articles. These articles will come from newspapers, magazines, and online resources. http://www.c4i.org/isn.html
Security advisories, DOS database, text archives, massive crypto archive, Largest website Defacement mirror on the web. There is enough data here to take you months to review. http://www.attrition.org/mirror/attrition/