{
  "slug": "slack",
  "category": "team-chat",
  "name": "Slack",
  "description": "Team messaging app with channels, direct messages, voice and video huddles, file sharing and integrations, owned by Salesforce.",
  "website": "https://slack.com",
  "license": null,
  "platforms": [
    "windows",
    "macos",
    "linux",
    "android",
    "ios",
    "web"
  ],
  "jurisdiction": {
    "code": "US",
    "name": "United States",
    "eyes": "Five Eyes",
    "eu": false,
    "gdpr": false,
    "cloud_act": "provider"
  },
  "pick": false,
  "pick_reason": null,
  "disclosure": null,
  "grade": "F",
  "score": 20,
  "coverage": 100,
  "summary": "Slack scores 20 out of 100 (grade F) on the team chat criteria. It partly meets no ads or data sales and independent audit. It does not meet open source and no trackers or telemetry. It is based in the United States: Five Eyes member; subject to the US CLOUD Act.",
  "url": "https://privacyratings.com/team-chat/slack/",
  "markdown": "https://privacyratings.com/team-chat/slack/index.md",
  "answers": {
    "open_source": {
      "title": "Open source",
      "weight": 3,
      "answer": "no",
      "evidence": null,
      "note": "Closed source."
    },
    "no_trackers": {
      "title": "No trackers or telemetry",
      "weight": 3,
      "answer": "no",
      "evidence": "https://slack.com/trust/compliance/cookie-policy",
      "note": "The cookie policy lists third-party cookies such as Google Analytics and advertising pixels on its websites."
    },
    "no_ads": {
      "title": "No ads or data sales",
      "weight": 2,
      "answer": "partial",
      "evidence": "https://slack.com/trust/privacy/privacy-policy",
      "note": "Funded by subscriptions with no ads in the product, but the policy allows sharing identifiers with third-party advertisers to target Slack ads on other sites."
    },
    "independent_audit": {
      "title": "Independent audit",
      "weight": 2,
      "answer": "partial",
      "evidence": "https://a.slack-edge.com/d6e4a4e/marketing/downloads/security/Slack_SOC_3_2025_Report.pdf",
      "note": "Only a SOC 3 summary report is public; the full SOC 2 report is available on request."
    },
    "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": [
      {
        "name": "Google Tag Manager",
        "host": "www.googletagmanager.com",
        "effect": "no"
      },
      {
        "name": "OneTrust",
        "host": "cdn.cookielaw.org",
        "effect": "none"
      },
      {
        "name": "YouTube embed",
        "host": "www.youtube.com",
        "effect": "none"
      }
    ],
    "tested_at": "2026-10-01T06:38:23.025Z"
  },
  "last_modified": "2026-10-01T06:56:31Z"
}