Microsoft Defender | Microsoft 365

Plans and pricing

Included in your Microsoft 365 Subscription¹

Safeguard your work and personal devices-computers and phones² -from hackers and scammers with professional grade, always-on antivirus and anti-phishing scans.

Get alerted if malicious apps are found and follow guidance to uninstall and remove the threats.

Device protection - computer & phone
Easily monitor the security status of your work and personal phones and computers from a single dashboard and get real-time alerts, notifications, and recommendations.

Easily access your security dashboard in the app or a web browser.

Security in one place

WHY DEFENDER?

Online security, simplified

Device protection made simple

Safeguard your computers and phones from hackers and scammers with Microsoft Defender^1, ²

Manage your security in one place

Simplify your online security with one easy to use app that keeps you and your family safer¹

Windows: Windows 10 version 19041 or higher. ARM64 support on Windows 11 build 22621 or higher
Mac: MacOS 11.0 and up, and both Intel and Apple Silicon CPU. Disk space required: 2 GB
iPhone: iOS 14.0 or later
Android: Android OS 8.0 and up
Microsoft Defender is a cross-device app that helps individuals and families stay safer online.¹

Windows Security (formerly known as Windows Defender Security Center) is security built into Windows to help protect your device and data.
No, there are different protections across operating systems.
Defender on Windows enables you to view your phone and computer protections and receive real-time alerts about those protections. Antivirus and anti-phishing are provided by Windows Security.
Defender on MacOS includes antivirus protection.
Defender on Android includes antivirus and anti-phishing.
Defender on iOS includes anti-phishing protection.
Yes. Because our priority is to ensure your device has protection, the Microsoft Defender app¹ works with built-in Windows Security or your third-party antivirus solution—rather than replaces it.
Check out Microsoft Support for help getting started, or go to the Help and Feedback menu in the Microsoft Defender app. We encourage you to share feedback in the app by going to the Help and Feedback menu in the Microsoft Defender app. To find Help and Feedback:

From within Windows, select the button near the top right of the window
On your Android or iOS device, tap your account avatar at the top left of the screen.

A person typing on a laptop at a table.

Download the Microsoft Defender app

New to Defender? Take the app with you wherever you go.

 Sign in to Defender

Sign in with your Microsoft account to help project yourself and your family online.

Sign in to Defender

[1]
Microsoft 365 Personal, Family or Premium subscription required. Microsoft Defender is not available in certain regions.
[2]
Available on Windows, Mac, iOS, and Android devices. Does not replace existing malware protection on iOS and Windows devices.

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