Bitdefender Total Security From $5/mo · Free plan 9.4 Visit 
Windows Security
support.microsoft.com
Spec sheet
- Purpose
- Windows Security is built into Windows to help protect devices and data from threats.Read 11 Oct 2026 · support.microsoft.com
- Platforms
- Microsoft lists Windows 10 and Windows 11 as supported for the Windows Security app.Read 11 Oct 2026 · support.microsoft.com
- Free plan
- YesRead 21 Sep 2026 · support.microsoft.com
- Headquarters
- Redmond, Washington, United StatesRead 23 Sep 2026 · support.microsoft.com
- Founded
- 1975Read 23 Sep 2026 · support.microsoft.com
- Company
- Microsoft's About page describes the company's mission and values.Read 11 Oct 2026 · microsoft.com
- Account protection
- Account protection provides access to sign-in options and account settings, including Windows Hello and dynamic lock.Read 11 Oct 2026 · support.microsoft.com
- Antivirus
- Microsoft Defender Antivirus provides real-time protection and supports quick, full, and custom scans.Read 11 Oct 2026 · support.microsoft.com
- App and browser protection
- App & browser control includes Microsoft Defender SmartScreen settings to help protect against potentially dangerous apps, files, sites, and downloads.Read 11 Oct 2026 · support.microsoft.com
- Compatibility limit
- Smart App Control is unavailable in Windows 10 and can be used only on new Windows 11 installations.Read 11 Oct 2026 · support.microsoft.com
- Device security
- Device security provides access to built-in features such as core isolation, TPM, and secure boot.Read 11 Oct 2026 · support.microsoft.com
- Firewall
- Firewall & network protection lets users view and manage Windows Firewall, including settings for different network types.Read 11 Oct 2026 · support.microsoft.com
- Health and history
- The app provides a device performance and health report and lets users review actions taken by Defender Antivirus.Read 11 Oct 2026 · support.microsoft.com
- Managed device limit
- Some Windows Security pages or features might be unavailable when an organization manages the device.Read 11 Oct 2026 · support.microsoft.com
- Organization management
- Some Windows Security pages or features may be unavailable when an organization manages the device.Read 11 Oct 2026 · support.microsoft.com
- 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.Read 11 Oct 2026 · support.microsoft.com
- Protection scope
- complete securityRead 21 Sep 2026 · support.microsoft.com
- Ransomware protection
- YesRead 21 Sep 2026 · support.microsoft.com
- Supported platforms
- Windows 10,Windows 11Read 21 Sep 2026 · support.microsoft.com
- Supported versions
- Windows Security is built into Windows 10 or 11.Read 11 Oct 2026 · support.microsoft.com
- Threat scans
- Virus & threat protection provides quick, full, and custom scans, threat monitoring, and updates.Read 11 Oct 2026 · support.microsoft.com
Where Specifiction places it
- Antivirus software#82 of 1207.4
- Malware removal tools#26 of 316.8
- Firewall Software#68 of 817.2
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