{
  "slug": "windows-spy-blocker",
  "category": "windows-hardening",
  "name": "Windows Spy Blocker",
  "description": "A Go tool that blocks Windows telemetry and tracking through firewall rules and hosts files built from captured network traffic. It is no longer actively maintained.",
  "website": "https://github.com/crazy-max/WindowsSpyBlocker",
  "source": "https://github.com/crazy-max/WindowsSpyBlocker",
  "license": "MIT",
  "platforms": [],
  "jurisdiction": null,
  "pick": false,
  "pick_reason": null,
  "disclosure": null,
  "grade": "B",
  "score": 80,
  "coverage": 100,
  "summary": "Windows Spy Blocker scores 80 out of 100 (grade B) on the Windows hardening criteria. It meets 3 of 4 criteria: open source, no trackers or telemetry and no ads or data sales. It does not meet independent audit.",
  "url": "https://privacyratings.com/windows-hardening/windows-spy-blocker/",
  "markdown": "https://privacyratings.com/windows-hardening/windows-spy-blocker/index.md",
  "answers": {
    "open_source": {
      "title": "Open source",
      "weight": 3,
      "answer": "yes",
      "evidence": "https://github.com/crazy-max/WindowsSpyBlocker/blob/master/LICENSE",
      "note": "MIT."
    },
    "no_trackers": {
      "title": "No trackers or telemetry",
      "weight": 3,
      "answer": "yes",
      "evidence": "https://github.com/crazy-max/WindowsSpyBlocker",
      "note": "No telemetry or analytics in the source code."
    },
    "no_ads": {
      "title": "No ads or data sales",
      "weight": 2,
      "answer": "yes",
      "evidence": "https://github.com/crazy-max/WindowsSpyBlocker/blob/master/.github/FUNDING.yml",
      "note": "Funded through GitHub Sponsors and PayPal donations, with no ads."
    },
    "independent_audit": {
      "title": "Independent audit",
      "weight": 2,
      "answer": "no",
      "evidence": null,
      "note": "No independent audit is published."
    },
    "transparency_report": {
      "title": "Transparency report",
      "weight": 2,
      "answer": "n/a",
      "evidence": null,
      "note": "Only applies to hosted services with a website to test."
    },
    "user_notice": {
      "title": "Tells users about requests",
      "weight": 1,
      "answer": "n/a",
      "evidence": null,
      "note": "Only applies to hosted services with a website to test."
    },
    "tls": {
      "title": "TLS configuration",
      "weight": 2,
      "answer": "n/a",
      "evidence": null,
      "note": "Only applies to hosted services with a website to test."
    },
    "security_headers": {
      "title": "Security headers",
      "weight": 1,
      "answer": "n/a",
      "evidence": null,
      "note": "Only applies to hosted services with a website to test."
    },
    "web_standards": {
      "title": "Modern web standards",
      "weight": 1,
      "answer": "n/a",
      "evidence": null,
      "note": "Only applies to hosted services with a website to test."
    }
  },
  "tests": {
    "ssllabs": null,
    "observatory": null,
    "internetnl_web": null,
    "internetnl_mail": null,
    "trackers": null,
    "tested_at": "2026-10-01T07:01:03.520Z"
  },
  "last_modified": "2026-10-01T07:44:20Z"
}