Windows Defender Alternatives
Safer and better-maintained options, ranked by Nerq Trust Score. Updated 2026-05-10.
Windows Defender has a Nerq Trust Score of 65 (B-). Microsoft Defender (formerly Windows Defender) is the built-in antivirus for Windows 10 and 11. Free, no installation required, auto-updates via Windows Update. AV-TEST score: 6/6 protection, 5.5/6 pe...
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FAQ
What are the best alternatives to Windows Defender?
The top alternatives based on Nerq Trust Score are listed above, all independently evaluated for security and reliability.
Is it safe to switch from Windows Defender?
Check each alternative's safety report by clicking its name. Trust scores above 70 indicate strong reliability.
How does Nerq rank Windows Defender alternatives?
Alternatives are ranked by Trust Score v2, combining security, maintenance, documentation, and community signals.