DShield Distributed Intrusion Detection System collects firewall log excerpts from volunteers. The logs are aggregated and analyzed. Several reports are generated showing trends in attack sources and methods used. http://www.dshield.org/ More Info
SecurityFocus Intrusion detection focus area; designed to assist discussion on security related topics, and provides a comprehensive database of security knowledge and resources. It also hosts the BUGTRAQ mailing list. http://www.securityfocus.com/ids More Info
Stay Safe Online Tools and resources to empower home users, small businesses, schools and universities to stay safe online. http://www.staysafeonline.info/ More Info
W3C Security Resources Links to security initiatives such as PICS Signed Labels, and XML-DSig. (W3C) http://www.w3.org/Security/ More Info