Microsoft Defender: Antivirus

In-app purchases
4.2
60.4K reviews
1Cr+
Downloads
Content rating
PEGI 3
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About this app

Microsoft Defender is an online security app for your digital life1 and work2.
Use Microsoft Defender for individuals1 at home and on the go to stay safer online. Simplify your online security with one easy-to-use app that helps keep you and your family one step ahead of threats. Microsoft Defender for individuals is available exclusively with a Microsoft 365 Personal or Family subscription.

All-in-one security app
Seamlessly protect your data and devices3 against malicious threats with continuous antivirus scanning, multi device alerts, and expert guidance.

Manage your security in one place
• Check the security status of your family’s devices.
• Get timely threat alerts, push notifications, and security tips across your devices.

Trusted device protection
• Protect your devices against new and existing malware, spyware, and ransomware threats with continuous scanning.
• Get alerted across your devices if malicious apps are found and take recommended steps to uninstall and remove the threats.

Microsoft Defender for Endpoint
Microsoft Defender for Endpoint is an industry-leading, cloud-powered endpoint security solution that helps to secure against ransomware, file-less malware, and other sophisticated attacks across platforms.

Microsoft Defender uses accessibility services to automatically block malicious web pages that may be accessed via links from SMS, messaging apps, browsers, and email.

App and feature availability may vary by device, language, and region.

1Microsoft 365 Family or Personal subscription required. Sign in with your Microsoft account. App is currently not available in certain Microsoft 365 Personal or Family regions.
2If you are a member of a business or organization, you need to login with your work or school email. Your company or business is required to have a valid license or subscription.
3Does not replace existing malware protection on iOS and Windows devices.
Updated on
12 Sept 2025

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region and age. The developer provided this information and may update it over time.
This app may share these data types with third parties
Device or other IDs
This app may collect these data types
Personal info, Files and docs and 3 others
Data is encrypted in transit
You can request that data be deleted

Ratings and reviews

4.1
56K reviews
Kendra Gillespie
25 August 2025
When trying to add a second email to monitor, it sent a verification code to my email. However, every time I switched over to my email to check the code and then switched back to the Defender app, it would have me start the process over, so it's a never-ending cycle. This is not very good for security if I can't add more than one email, as it tells me I can.
217 people found this review helpful
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Marshini Naidoo
31 August 2025
Was happy, appreciative of M Defender until a mnth ago. Suddenly everyday, a notification that web protection is off, won't allow me 2 sign in- Microsoft defender, follow the prompts 2 activate, along with accessibility requirements, all fine 4 a few hours, then the error is back! After 2 years of having this account, never had this issue. I reached out 2 Microsoft, no response. Paid 4 full package, no protection or service?weeks now, using correct login&PW! Definitely not thinking of renewing.
84 people found this review helpful
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Caroline Mulvey
9 August 2025
This app is completely counter productive. I have my work email on my phone so I don't miss important info when not at work and due to this app I don't get emails half the time. It logs itself out all the time so you then don't receive emails until you log back in. Half the time trying to log back in is a circular road to hell as it does not work often and brings you in circles to the same screens. Terrible app that stops you being able to use work apps on the phone. Needs a big overhaul.
282 people found this review helpful
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