Free Microsoft antispyware site helps you protect your computer
Microsoft just launched a new Windows Defender Web site dedicated to helping you fight spyware.
Security management
Learn how our identity-driven security solutions protect people, devices, and data from potential vulnerabilities at every touchpoint, everywhere they work.
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Retain Microsoft Security Experts
Microsoft Security Experts are now available to strengthen your team with managed security services. Learn how to defend against threats with security experts.
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What is a Windows Live ID?
A Windows Live ID is your e-mail address and a password that you choose. -
Is it safe to install ActiveX controls on my computer?
A lot of you have recently asked us about ActiveX controls. -
STRIDE chart
There are good reasons to optimize for different points on that spectrum (of better/faster/cheaper) at different times in different products. Modernize your Security Operations Center with Microsoft Sentinel
Microsoft Sentinel is a cloud-native SIEM solution powered by AI and automation that delivers intelligent security analytics across your entire enterprise.
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How to tell if Windows Defender is installed on your computer
Windows Defender is an antispyware program from Microsoft that helps protect you from spyware, pop-up windows, and other unwanted software. -
Windows Defender for Windows Vista
Some of you have been asking about whether or not you should download Windows Defender.
