Microsoft has made available a 480K Word document laying out What’s New in Security for Windows XP Professional and Windows XP Home Edition.

In brief for XP Home:

• Fast User Switching for Multiple Users of a Computer
• Personal Privacy IE6 Feature
• Cookie Management
• Internet Connection Sharing
• Internet Connection Firewall
• Shared Documents Folder

For XP Professional:

• Corporate Security via GPOs
• Controlled Network Access : Managing Network Authentication
• Guest–only security model or the Classic security model
• Blank Password Restriction
• Enhanced Encrypting File System
• Certificate Services
• Credential Management
• Fast User Switching
• Internet Connection Sharing
• Internet Connection Firewall
• Software Restriction Policies
• Internet Protocol Security (IPSec)
• Smart Card Support

Relate tips:

• Microsoft Security Page
• General Security book recommendations
• Windows NT Security book recommendations
• Windows 2000 Security book recommendations
• Windows XP Security book recommendations