OnlineSecuritySite.com [ http://www.onlinesecuritysite.com/ ]
Presents over 4000 links to popular resources on computer security, online privacy, cryptography, network and events monitoring, intrusion detection systems, password recovery and related topics.

Symantec [ http://www.symantec.com ]
Offers internet security, and anti-spyware products for the home, and solutions to manage IT risk and maximize IT performance for business. Download free product trials.