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On the recordRead 11 Oct 202621 facts
Windows Security
Windows Security · Redmond, Washington, USA · founded 1975
On the record
- Account protection
- Account protection provides access to sign-in options and account settings, including Windows Hello and dynamic lock.support.microsoft.com · read 11 Oct 2026
- Antivirus
- Microsoft Defender Antivirus provides real-time protection and supports quick, full, and custom scans.support.microsoft.com · read 11 Oct 2026
- App and browser protection
- App & browser control includes Microsoft Defender SmartScreen settings to help protect against potentially dangerous apps, files, sites, and downloads.support.microsoft.com · read 11 Oct 2026
- Company
- Microsoft's About page describes the company's mission and values.microsoft.com · read 11 Oct 2026
- Compatibility limit
- Smart App Control is unavailable in Windows 10 and can be used only on new Windows 11 installations.support.microsoft.com · read 11 Oct 2026
- Device security
- Device security provides access to built-in features such as core isolation, TPM, and secure boot.support.microsoft.com · read 11 Oct 2026
- Firewall
- Firewall & network protection lets users view and manage Windows Firewall, including settings for different network types.support.microsoft.com · read 11 Oct 2026
- Health and history
- The app provides a device performance and health report and lets users review actions taken by Defender Antivirus.support.microsoft.com · read 11 Oct 2026
- Managed device limit
- Some Windows Security pages or features might be unavailable when an organization manages the device.support.microsoft.com · read 11 Oct 2026
- Organization management
- Some Windows Security pages or features may be unavailable when an organization manages the device.support.microsoft.com · read 11 Oct 2026
- Other antivirus
- When another antivirus app is installed and turned on, Microsoft Defender Antivirus turns off automatically and turns back on if that app is uninstalled.support.microsoft.com · read 11 Oct 2026
- Protection scope
- complete securitysupport.microsoft.com · read 21 Sep 2026
- Purpose
- Windows Security is built into Windows to help protect devices and data from threats.support.microsoft.com · read 11 Oct 2026
- Ransomware protection
- Yessupport.microsoft.com · read 21 Sep 2026
- Supported platforms
- Windows 10,Windows 11support.microsoft.com · read 21 Sep 2026
- Supported versions
- Windows Security is built into Windows 10 or 11.support.microsoft.com · read 11 Oct 2026
- Threat scans
- Virus & threat protection provides quick, full, and custom scans, threat monitoring, and updates.support.microsoft.com · read 11 Oct 2026
Alternatives to Windows Security
Kaspersky AntivirusAndroidiPhone & iPad+5Bitdefender Total SecurityAndroidiPhone & iPad+2Avast OneAndroidiPhone & iPad+3Microsoft Defender for BusinessAndroidiPhone & iPad+3FortiClientAndroidiPhone & iPad+3Bitdefender Antivirus PlusAndroidiPhone & iPad+2F-Secure TotalAndroidiPhone & iPad+2Norton 360AndroidiPhone & iPad+2