External IT Security Web Sites
Bugtraq -Provides the latest bug reports
Center for Internet Security -Provides the latest bug reports
CERIAS - Centerfor Education and Research in Information Assurance and Security
CERT -Provides the latest major security warnings
CIAC - Computer Incident Advisory Center
Computer Security Resource Center (CSRC) - Division of NIST
Dshield  - Provides reports on the latest computer attacks
eEye - Provides security notices
Federal Cybercrime site - Computer crimes and Intellectual Property information
Help Net Security - Provides security advice
IANA Port Numbers - Documents what applications use which ports
Internet Storm Center - Reports the latest security issues
Internet Traffic Report - Shows the latest updates on Internet traffic
Linux Security -Provides security advice and notices for Linux users
Mac OS & Mac OS X Security -Provides security advice and notices for MAC users
Mac OS X Hints - Provides information to MAC users
Neohapsis Ports - Associates ports with applications
SANS - System Administrators, Audit, Network and Security Research and Training Center
Spam FAQ - Answers questions about spam prevention and response
The National Security Agency - Information on cryptology and several security guides
Trojan Ports - Lists known Trojans and the ports they use
U.S. Department of Homeland Security - Important information dealing with security