# Tor privacy rating

Anonymity network that routes traffic through three volunteer-run relays with layered encryption, used through Tor Browser and other apps to hide location, resist tracking and bypass censorship.

## Summary

Tor scores 100 out of 100 (grade A) on the anonymity networks criteria. It meets 4 of 4 criteria: open source, no trackers or telemetry, no ads or data sales and independent audit. It is based in the United States: Five Eyes member; subject to the US CLOUD Act.

- Website: https://www.torproject.org
- Source code: https://gitlab.torproject.org/tpo/core/tor
- Jurisdiction: United States. Five Eyes member. Subject to the US CLOUD Act.
- Home page trackers: none found
- Category: [Anonymity networks](https://privacyratings.com/anonymity-networks/)
- Also rated: [Tor Browser](https://privacyratings.com/browsers/tor-browser/) (Browsers)
- Grade: A (100/100)

## Criteria

| Criterion | Answer | Note | Evidence |
| --- | --- | --- | --- |
| Open source | Yes | BSD-3-Clause. Source releases are published at dist.torproject.org. The Tor GitLab now requires sign-in to view files. | https://www.torproject.org/about/history/ |
| No trackers or telemetry | Yes | The privacy policy states the software has no tracking, telemetry or analytics, and the website loads no trackers. | https://www.torproject.org/about/privacy_policy/ |
| No ads or data sales | Yes | Funded by donations and grants to a non-profit, with no ads or data sales. | https://www.torproject.org/about/supporters/ |
| Independent audit | Yes | Full 7ASecurity penetration test report covering Tor core code changes and network tools; Cure53 also published a full report on Tor Browser apps and tools. | https://7asecurity.com/reports/pentest-report-tor2-RC1.2.pdf |

Source: https://privacyratings.com/anonymity-networks/tor/
Edit: https://github.com/privacyratings/privacyratings.com/edit/main/ratings/anonymity-networks/tor.md