How to Maintain Windows Security

This page provides a quick way to find security information about specific Windows technologies and operating systems. Follow the links below to learn how you can help protect your computer and get the latest security updates for Microsoft Windows and Microsoft Internet Explorer.

Protect Your PCProtect Your PC

Learn how to enhance the security of your computer with online tools geared to your specific operating system. Get help with firewalls, antivirus and anti-spyware software, and automatic security updates from Microsoft.


Products and Technologies

Windows XP Security InformationWindows XP Security Information

Find links to tools and information that will help you keep your Windows XP systems secure.

Windows 2000 Security InformationWindows 2000 Security Information

Get patches, tools, and information for the Windows 2000 Server family of operating systems.

Windows 2000 Professional Security InformationWindows 2000 Professional Security Information

Get patches, tools, and information for the Windows 2000 Professional operating systems.

Internet Explorer Security InformationInternet Explorer Security Information

Locate the latest Internet Explorer patches and related security information to protect your Internet browser.

Windows NT Server Security InformationWindows NT Server Security Information

Stay on top of the latest security updates for Microsoft Windows NTŪ Server 4.0 by checking this page.

Windows NT Workstation Security InformationWindows NT Workstation Security Information

Keep your Windows NT Workstation systems up to date with the information on this page.

Related Links for Home and Small Business Users

Security Basics for Home Users

Microsoft Security & Privacy Home Page

Security Bulletin E-mail Service

Windows XP Expert Zone Community Focus On Security


Related Links for IT Professionals

Microsoft Security & Privacy Home Page

TechNet Security Home Page


Free Support

For free virus-related support within the United States and Canada, call 1-866-727-2338. For international information, see your local subsidiary Support site.

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