SANS Internet Storm Center - Cooperative Network Security Community.
National Institute of Standards&Technology - Computer Security Resource Center.
SC Magazine - Security News and Security Product Reviews.
SearchSecurity.com - information resource for enterprise IT professionals.
Educause Security Task Force - information and resources on computer and network security for the high-tech community.
PaulDotCom - provides free content within the subject matter of IT security news, vulnerabilities, hacking, and research.