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. Microsoft Defender is …

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

Mar 25, 2026 · Microsoft Defender Antivirus is available in Windows 10 and Windows 11, and in versions of Windows Server. Microsoft Defender Antivirus is a major component of your next …

Jun 19, 2026 · With Microsoft Defender Antivirus now included in the Windows Security app, you can review, compare, and perform common tasks.

Summary The Windows Security app is a comprehensive security solution integrated into Windows, designed to protect your device and data from various threats. It includes features such as Microsoft …

Explore the Microsoft Defender products and services available for your business or organization.

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.

Using anti-malware on your device Microsoft Defender's real-time anti-malware protection runs whenever your device is on, keeping an eye out for malicious activity. Microsoft Defender will also …

Jun 19, 2026 · Enable and configure Microsoft Defender Antivirus real-time protection features such as behavior monitoring, heuristics, and machine learning.

Microsoft Defender Offline will load and perform a quick scan of your PC in the Windows Recovery Environment. When the scan completes, your PC automatically restarts Start an offline scan Note To …

What is Microsoft Defender for Endpoint? Microsoft Defender for Endpoint is a product for businesses and enterprises that help protect corporate devices. It shares many of the same features and …