Security Now! - A weekly program available in audio and print format
Crypto-Gram Newsletter: Bruce Schneier, one of the most respected voices in security, blogs and publishes a monthly newsletter on security topics. You can subscribe to the newsletter and read his blog.
Krebs on Security: Dennis Krebs is another widely read and recognized authority on security. You can read his report on related news at this site.
Microsoft: Microsoft's Safety and Security site for both general and Microsoft specific security news.
NCTC: The National Convergence Technology Center provides resources to meet the demands of business and industry seeking IT specialists.