Microsoft Defender: Antivirus

Stay safer online with Microsoft Defender1. Stay protected at home, at work or on the go. Get real-time threat alerts and expert guidance – all in one app. Defender is available with a Microsoft 365 Personal, Family, or Premium subscription.

All-in-one security app
• Protect your devices against malicious threats with antivirus scanning3, multidevice alerts and expert guidance.
• Check the security status of your family’s devices.
• Get timely threat alerts and recommended actions across your devices.

Trusted device protection
• Always-on, professional-grade protection for your devices against new and existing threats3.
• Get alerted if malicious apps are found and take steps to remove the threat.
• Continuously scans for harmful links before you click on them to help protect you from malicious threats.


1. Microsoft 365 Personal, Family or Premium subscription required. Sign in with your Microsoft account. App is currently not available in certain regions.
2. If you are a member of a business or organisation, login with your work or school email. Your school or business is required to have a valid licence or subscription.
3. Does not replace existing malware protection on iOS and Windows devices.