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 · its alternatives →

2. 2
   MCP Defender▲152

   Automatically protects Cursor and other AI apps

   2025 · mcpdefender.com · its alternatives →

3. 3
   Defendera▲15

   Protect your loved ones, employees or customers from scams

   2023 · its alternatives →

4. 4
   Clario▲173

   Your personal digital security made simple

   2020 · its alternatives →

5. 5
   AdGuard Home▲113

   Powerful network-wide tool against ads & tracking

   2018 · its alternatives →

6. 6
   Node Patrol▲61

   Windows security, compliance, performance and health

   2021 · its alternatives →

7. 7
   LetsDefend▲20

   Cybersecurity training mobile app

   2025 · apps.apple.com · its alternatives →

8. 8
   PassProtect▲75

   Stop using bad passwords.

   2018 · its alternatives →

9. 9
   Surveillance Self-Defense▲63

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

   2022 · its alternatives →

10. 10
    Clario▲88

    One simple app to secure your digital life

    2020 · its alternatives →

11. 11
    Danger▲129

    Protect your app from bad humans

    2024 · its alternatives →

12. 12
    Virusdie▲102

    World's friendliest professional-grade antivirus for website

    2020 · its alternatives →

13. 13
    Virusdie▲100

    Clean and protect your websites like a security expert

    2016 · its alternatives →

14. 14
    Your Digital Defense▲3

    The Cybersecurity Guide for Everyday People

    2023 · its alternatives →

15. 15PF
    Privacy-first home security on mobile with smart alerts▲51

    2021 · ai-cam.app · its alternatives →

16. 16
    CyberPal®▲84

    Compare & choose best-fit cybersecurity solutions for free

    2021 · its alternatives →

17. 17
    Presence▲70

    Family friendly digital privacy app for peace of mind online

    2021 · its alternatives →

18. 18
    Online Security Pro▲5

    Security extension for Google Chrome and other browsers

    2018 · its alternatives →

19. 19
    Mirovia Security Browser Defender▲8

    Real-time browser protection platform

    2021 · its alternatives →

20. 20
    K7 Mobile Security - Android▲4

    Safeguards from malicious apps.

    2021 · its alternatives →

21. 21
    Norton 360 Premium (1 Year/ 10 Devices)▲3

    Norton 360 Premium

    2021 · its alternatives →

22. 22
    Antivirus Mobile App▲2

    Antivirus Mobile App

    2022 · its alternatives →

23. 23
    Antivirus Software key online▲2

    Antivirus Software key online

    2022 · its alternatives →

24. 24
    Defend▲2

    Open-source guardrails for LLM apps

    Apr 2026 · 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 →