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Microsoft Defender: Antivirus is a security app for people who want to check device protection and receive alerts about possible threats. Its listed tools include antivirus scanning, threat monitoring, and warnings when malicious apps are found. It can also block malicious web pages reached through links in messages, browsers, or email.
The app may be useful if you already use Microsoft services and want a place to review security information across devices. Some of its personal features, including protection for individuals and families, require a Microsoft 365 Personal or Family subscription and a Microsoft account. Features can vary by device and region, so check what is available to you before relying on a particular protection.
Defender uses Android’s accessibility services to block certain harmful web pages. That is a meaningful level of access: consider whether you are comfortable granting it and how it fits with your other security tools. The supplied information does not describe every permission or explain how the app interacts with other antivirus products on Android, so review the permission prompts and Microsoft’s current guidance before deciding.
Ask whether you need another security app, or whether the protections you already use are enough. If you mainly want identity or credit monitoring, note that those features are limited by region and may have separate eligibility conditions.
Microsoft Corporation is the developer. The app is listed in Tools and has a 4.41 out of 5 rating from about 83,000 reviews, with more than 10 million installs. Those figures show broad use, but they cannot tell you whether its access and subscription requirements suit your needs.
