Use Microsoft Defender for individuals as your personal defense against online threats and easily manage your family’s online security.

May 5, 2025 · Microsoft Defender, once known as Windows Defender, has evolved significantly from its humble origins as a basic anti-spyware tool in earlier versions of Windows. Today, it is a …

Microsoft Defender Antivirus (formerly Windows Defender) is an antivirus software component for Microsoft Windows and mobile. It was first released as a downloadable free anti-spyware program …

Microsoft Defender is a new security app that helps protect you and your family across all your devices; Windows, Android, Mac, and iOS.

Get ahead of threat actors with integrated security solutions. The Microsoft Defender family offers comprehensive threat prevention, detection, and response capabilities for everyone—from …

Microsoft Defender is a security app that helps people and families stay safer online with malware protection, web protection, real-time security notifications, and security tips.

Oct 20, 2025 · Learn how to manage, configure, and use Microsoft Defender Antivirus, built-in antimalware and antivirus protection.

Protect your privacy, identity, and devices with Windows Security. Explore Windows 11 security features like Microsoft Defender Antivirus that help keep you and your PC safe.

Microsoft Defender is a security app for individuals and families that helps protect identities, data, and devices from online threats. The Microsoft Defender app is available exclusively with a Microsoft 365 …

If you suspect that your device may have malware you should have Microsoft Defender run a scan. Here's how to do that on Windows, Mac, or Android.