Work · alternatives · 2026

24 alternatives to Microsoft Defender

Online security, simplified.

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Microsoft Defender launched in 2022; newer entries below may have overtaken it.

1. 1
   Defender▲75

   Smart personal protection

   2017 · getthedefender.com · its alternatives →

2. 2
   MCP Defender▲152

   Hi HN, MCP Defender is an open source desktop app that automatically proxies your MCP traffic in AI apps like Cursor, Claude, Windsurf and VSCode. It then scans all requests and responses between the apps and the MCP tools they call. If it detects anything malicious, it alerts you and lets you allow or block the tool call. While the threat landscape of MCP is still being actively researched, there are dangerous things that MCP Defender can block today. For example, a developer asks Cursor to fix a Github issue with an attached crash log. However, the Github issue was created by an attacker…

   2025 · mcpdefender.com · its alternatives →

3. 3
   VPN Defender▲77

   Access blocked sites and apps from anywhere in the world.

   2014 · its alternatives →

4. 4
   Defendera▲15

   Protect your loved ones, employees or customers from scams

   2023 · its alternatives →

5. 5
   Clario▲173

   Your personal digital security made simple

   2020 · clario.co · its alternatives →

6. 6
   AdGuard Home▲113

   Powerful network-wide tool against ads & tracking

   2018 · adguard.com · its alternatives →

7. 7
   Node Patrol▲61

   Windows security, compliance, performance and health

   2021 · nodepatrol.com · its alternatives →

8. 8
   Corso▲90

   Free, secure, open-source backup for Microsoft 365

   2023 · its alternatives →

9. 9
   LetsDefend▲20

   Cybersecurity training mobile app

   2025 · apps.apple.com · its alternatives →

10. 10
    Surveillance Self-Defense▲63

    Tips, tools, and how-tos for safer online communications

    2022 · ssd.eff.org · its alternatives →

11. 11
    Clario▲88

    One simple app to secure your digital life

    2020 · clario.co · its alternatives →

12. 12
    Danger▲129

    Protect your app from bad humans

    2024 · its alternatives →

13. 13
    Virusdie▲102

    World's friendliest professional-grade antivirus for website

    2020 · virusdie.com · its alternatives →

14. 14
    Virusdie▲100

    Clean and protect your websites like a security expert

    2016 · virusdie.com · its alternatives →

15. 15
    Your Digital Defense▲3

    The Cybersecurity Guide for Everyday People

    2023 · professorcipher.org · its alternatives →

16. 16
    PassProtect▲75

    Stop using bad passwords.

    2018 · its alternatives →

17. 17
    Online Security Pro▲5

    Security extension for Google Chrome and other browsers

    2018 · chromewebstore.google.com · its alternatives →

18. 18
    Kaizen Protect▲22

    Better Than Kaspersky Kids: Kaizen Protect for Families

    2025 · kaizen-apps.com · its alternatives →

19. 19
    SecureAPlus▲6

    12 Anti-Virus Engines in One Lightweight & Free Application

    2016 · secureage.com · its alternatives →

20. 20
    Mirovia Security Browser Defender▲8

    Real-time browser protection platform

    2021 · chromewebstore.google.com · its alternatives →

21. 21
    K7 Mobile Security - Android▲4

    Safeguards from malicious apps.

    2021 · k7computing.com · its alternatives →

22. 22
    Norton 360 Premium (1 Year/ 10 Devices)▲3

    Norton 360 Premium

    2021 · softwarestaples.com · its alternatives →

23. 23
    Antivirus Mobile App▲2

    Antivirus Mobile App

    2022 · dribbble.com · its alternatives →

24. 24
    Antivirus Software key online▲2

    Antivirus Software key online

    2022 · k7computing.com · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →