There are several records in this database on how to keep your computer free of viruses, spam, and phishers. Now I have a site where you can keep up-to-date on all the latest computer threats.
Cyber Security Bulletins, from the United States Computer Emergency Readiness Team, provide weekly summaries of security issues and new vulnerabilities. They also provide patches, workarounds, and other actions to help mitigate risk. The site offers the bulletins in weekly emails, or through their RSS feed. Click this link to see the latest Cyber Security Bulletins: http://www.us-cert.gov/cas/bulletins/index.html.