Microsoft Defender Alternatives

Microsoft Defender is described as 'Windows Security (known as Windows Defender Antivirus before Windows 10 May 2020 Update, Windows Defender before Windows 10 Creators Update, or Microsoft Defender Antivirus before Windows 11) is an anti-malware component of Microsoft Windows' and is a very popular Anti-Virus app in the security & privacy category. There are more than 100 alternatives to Microsoft Defender for a variety of platforms, including Windows, Mac, Android, Linux and iPhone apps. The best Microsoft Defender alternative is Malwarebytes Anti-Malware, which is free. Other great apps like Microsoft Defender are Avast Free Antivirus, ClamAV, Bitdefender Antivirus and Avira Antivirus.

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Microsoft Defender alternatives page was last updated

Alternatives list

  1. Norton 360 icon
     8 likes

    All-in-one suite delivering antivirus, malware protection, firewall, secure VPN, cloud backup, password manager, dark web monitoring, parental controls, and identity theft safeguards, including LifeLock alerts, real-time protection, and cross-device coverage.

    26 Norton 360 alternatives

    Cost / License

    • Paid
    • Proprietary

    Application types

    Platforms

    • Mac
    • Windows
    • Android
    • iPhone
    • Android Tablet
    • iPad
     
  2. Experience comprehensive online protection across computers, phones, and tablets with robust defenses against spoofed websites, ransomware, and other online threats. Enhance your security with antivirus, anti-malware, and privacy tools, backed by real-time threat detection and frequent updates.

    78 Avast Premium Security alternatives

    Cost / License

    • Paid
    • Proprietary

    Application types

    Platforms

    • Windows
     
  3. Dr.Web Anti-virus is an efficient tool for constant monitoring of system health that blocks attempts of viruses, Trojans, mail worms, spyware and other malicious programs to get into a protected system from any external source. Dr.

    Cost / License

    • Paid
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
     
  4. Comodo Antivirus eliminates viruses, spyware, and other malware from desktops and networks.

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Alerts

    • Bundleware

    Platforms

    • Mac
    • Windows
    • Linux
     
  5. This is a fork of the original (and discontinued) app, which is still looking for maintainers. Please consider to apply to keep this app maintained !

    Cost / License

    Application type

    Platforms

    • Android
    • F-Droid
     
  6. Cloud-based endpoint platform for real-time detection, prevention, and response to threats using lightweight sensors, advanced machine learning, graph analysis, and threat intelligence—instantly identifying known and unknown attacks for seamless enterprise protection.

    64 CrowdStrike Falcon alternatives

    Cost / License

    • Paid
    • Proprietary

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
     
  7. Webroot Essentials provides comprehensive cloud-based protection from online threats for all your devices, keeping you safe no matter how or where you connect.

    Cost / License

    • Paid
    • Proprietary

    Application types

    Platforms

    • Mac
    • Windows
     
  8. Real-time malware defense featuring quick, full, scheduled, and drag-and-drop scanning, webcam protection, cloud-based threat detection, regular updates, and advanced customization for security settings, all with low device impact and support for 5 devices.

    55 Surfshark Antivirus alternatives

    Cost / License

    • Paid
    • Proprietary

    Application types

    Platforms

    • Mac
    • Windows
    • Android
     
  9. Defends against viruses, ransomware, and spyware using automatic updates and DeepGuard 2.0. Includes Scam Protection, Banking Protection, Gaming Mode, and more for optimal performance and security across devices.

    86 F-Secure Anti-Virus alternatives

    Cost / License

    • Paid
    • Proprietary

    Application types

    Platforms

    • Mac
    • Windows
     
  10. TRAPMINE Platform combines proven technologies such as machine learning, behavior monitoring and exploit prevention techniques in a single agent to provide fool-proof defense against exploit attempts, file-less malware, ransomware and other forms of targeted attacks.

    Cost / License

    • Paid
    • Proprietary

    Application types

    Platforms

    • Windows
     
  11. ClamXav icon
     26 likes

    ClamXav is a virus scanner for Mac OS X. It uses the very popular ClamAV open source antivirus engine as a back end and has the ability to detect both Windows and Mac threats.

    Cost / License

    • Paid
    • Proprietary

    Application type

    Platforms

    • Mac
     
  12. Avast One icon
     1 like

    All-in-one solution combining antivirus defense, built-in VPN with 5 GB weekly for free users or unlimited for paid, data breach monitoring, web shield for unsafe sites, privacy tools, phishing protection, and multi-device security for browsing and online accounts.

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Android
    • iPhone
    • Android Tablet
    • iPad
     
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