On Friday, Microsoft posted version 2.0 of the Antivirus Defense in Depth Guide. You can find out more and download it from here:
The Antivirus Defense-in-Depth Guide
The information presented in the Antivirus Defense-in-Depth guide has been updated to reflect the security improvements provided as part of Windows XP Service Pack 2. A number of the features in Windows XP Service Pack 2 have made it more difficult for malware to attack a Windows XP based computer. The updates to this guide are designed to ensure these enhancements are identified and explained.