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Free, offline security tools for Windows. No sign-up, no cloud, no telemetry.

WinSystemHarden icon WinSystemHarden

WinSystemHarden applies 29 hardening rules on Windows 10/11, inspired by CIS Benchmarks and NSA guidelines. It disables things like SMBv1 and closes high-risk ports. If anything breaks, one click puts everything back.

  • 29 rules, inspired by CIS & NSA
  • 3 plans: Standard, Deep, Custom
  • One-click hardening
  • One-click rollback
  • 100% offline, free with no limitations
  • Rollback to any time point
0/69 Clean (VirusTotal) |
SHA-256 Verified
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