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, Android Tablet and Linux apps. The best Microsoft Defender alternative is Malwarebytes Anti-Malware, which is free. Other great apps like Microsoft Defender are ClamvAV, Avast Free Antivirus, Spybot - Search & Destroy and Bitdefender Antivirus.

Microsoft Defender iconMicrosoft Defender
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Windows Security (known as Windows Defender Antivirus before Windows 10 May 2020 Update, Windows Defender before Windows 10...

More about Microsoft Defender
More about Microsoft Defender
Microsoft Defender alternatives page was last updated May 16, 2025
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  1. BitMedic AntiVirus icon

    BitMedic AntiVirus

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    Real-time Antivirus & Adware App for macOS.

    License model

    Application type

    Country of Origin

    • US flagUnited States

    Platforms

    • Mac
    BitMedic AntiVirus screenshot 1

    BitMedic AntiVirus VS Microsoft Defender

     
  2. VT4Browsers icon

    VT4Browsers

     8 likes
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    With VT4Browsers you will be able to use VirusTotal to analyze urls and files automatically. You can change the extension's behavior at any time.

    License model

    • Free • Proprietary

    Application types

    Country of Origin

    • ES flagSpain
    • European Union flagEU

    Platforms

    • Mac
    • Windows
    • Linux
    • Google Chrome
    • Firefox
    VT4Browsers screenshot 1

    Properties

    1.  Lightweight

    Features

    1.  Ad-free
    2.  Malware Analysis
    3.  Browser extension

    VT4Browsers VS Microsoft Defender

     
    Comments about VT4Browsers as an Alternative to Microsoft Defender
    ccxfied
    Negative Mar 12, 2021
    1

    A browser extension, NOT an antivirus, and no realtime scanning.

    Microsoft Defender Icon
    VT4Browsers icon
    • VT4Browsers is Free and ProprietaryMicrosoft Defender is Free Personal and Proprietary
    • VT4Browsers is LightweightMicrosoft Defender is not according to our users
  4. Reason Antivirus icon

    Reason Antivirus

     5 likes
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    Reason is a next-generation antivirus that Protects not only your digital devices, but also your privacy.

    License model

    Application types

    Country of Origin

    • GB flagUnited Kingdom

    Platforms

    • Windows
    Reason Antivirus screenshot 1

    Reason Antivirus Features

    1.  Real-time protection
    2.  Ransomware Protection
    3.  Bloatware Remover

    Reason Antivirus VS Microsoft Defender

     
  5. Ad
    Screenshot
    Sophos Home icon
    Sophos Home

    Secure up to 10 home Macs and PCs with business grade antivirus and web category blockers.

    https://home.sophos.com
    Learn More
  6. Dr.Web LiveDisk icon

    Dr.Web LiveDisk

     9 likes
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    FREE emergency system repair from a CD/DVD disk or a bootable USB drive to be used if your Windows system is rendered non-bootable by malware.

    License model

    • Free • Proprietary

    Application types

    Country of Origin

    • RU flagRussia

    Platforms

    • Windows
    Dr.Web LiveDisk screenshot 1

    Properties

    1.  Lightweight

    Features

    1.  Works Offline
    2.  Ad-free
    3.  Malware Analysis
    4.  Rescue cd

    Dr.Web LiveDisk VS Microsoft Defender

     
  7. Faronics Anti-virus icon

    Faronics Anti-virus

     2 likes
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    Faronics Anti-Virus provides protection from security threats without slowing down computers due to slow scan times and large footprints. Built with next-generation technology, Faronics Anti-Virus gives powerful anti-virus, anti-rootkit and anti-spyware software in-one that...

    License model

    Application type

    Country of Origin

    • CA flagCanada

    Platforms

    • Windows
    Discontinued

    Last updated on Aug 13th, 2015.

    Faronics Anti-virus Features

    1.  Web filter

    Faronics Anti-virus VS Microsoft Defender

     
  8. SpyShelter icon

    SpyShelter

     6 likes
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    SpyShelter is an effective and easy-to-use security application that helps you to protect your system against known and unknown malware.

    58 SpyShelter alternatives

    License model

    Application types

    Country of Origin

    • PL flagPoland
    • European Union flagEU

    Platforms

    • Windows
    SpyShelter detecting Windows System Changes
    SpyShelter Light Skin
    SpyShelter Cyberpunk Dark Skin

    Properties

    1.  Privacy focused
    2.  Lightweight

    Features

    1.  Block Trackers
    2.  Portable
    3.  No Logs
    4.  No Tracking
    5.  Ad-free
    6.  Dark Mode
    7.  Works Offline
    8.  Malware Analysis
    9.  No registration required
    10.  Webcam/Sound/Screen Protection

    SpyShelter VS Microsoft Defender

     
  10. G Data AntiVirus icon

    G Data AntiVirus

     3 likes
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    Anti-Virus solution for protection against viruses, spyware and phishing attacks:24.95 USD; Features: Protects all communication channels (e-mail (POP3 /IMAP), instant messaging (MSN, Yahoo, AOL, etc.), protection from viruses, worms, rootkits, spyware, dialers, Trojans...

    License model

    Application types

    Country of Origin

    • DE flagGermany
    • European Union flagEU

    Platforms

    • Windows
    G Data AntiVirus screenshot 1

    G Data AntiVirus Features

    1.  Built-in VPN
    2.  Malware Analysis

    G Data AntiVirus VS Microsoft Defender

     
  11. Achilleion icon

    Achilleion

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    Professionally Managed Cyber Security and Privacy Software for iOS, Android, Windows, and macOS. 24/7 monitoring plus $1m of coverage per user.

    License model

    Application types

    Platforms

    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Software as a Service (SaaS)
    Achilleion screenshot 1

    Achilleion VS Microsoft Defender

     
  12. Fast Antivirus icon

    Fast Antivirus

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    Fast Antivirus - 100% protection for your Windows device against viruses, spyware, and malware. Install free antivirus software from Apps4.Store.

    License model

    • Free • Proprietary

    Application type

    Platforms

    • Windows
    Fast Antivirus

    Fast Antivirus VS Microsoft Defender

     
  13. Zillya! Antivirus icon

    Zillya! Antivirus

     1 like
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    Zillya! Antivirus includes a fully installed antivirus with all the needed features.

    License model

    Application types

    Country of Origin

    • UA flagUkraine

    Platforms

    • Windows
    Zillya! Antivirus screenshot 1

    Zillya! Antivirus Features

    1.  Malware Analysis
    2.  Ad-free
    3.  Proactive Protection

    Zillya! Antivirus VS Microsoft Defender

     
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