Two-factor authentication
Proton Authenticator privacy rating
Free, open source authenticator app from Proton for Android, iOS, macOS, Windows and Linux. It works without an account, and signing in with a Proton account adds end-to-end encrypted sync.
Summary
Proton Authenticator scores 65 out of 100 (grade C) on the two-factor authentication criteria. It meets 2 of 4 criteria: open source and no ads or data sales. It partly meets no trackers or telemetry. It does not meet independent audit. It is based in Switzerland: Not in the Five, Nine or Fourteen Eyes; GDPR-style data protection law.
Score 65 out of 100. How scoring works
Criteria
- Yes
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Partial
No trackers or telemetry Weight 3 of 3
Are the website and apps free of third-party trackers, with any analytics anonymous and any telemetry off by default?
No third-party analytics, but Proton apps share usage statistics and crash reports by default, and these can be turned off in settings.
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Yes
No ads or data sales Weight 2 of 3
Is the product funded without advertising, ad targeting or selling user data?
Free with no ads. Proton is funded by paid plans.
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No
Independent audit Weight 2 of 3
Has an independent security or privacy audit been published within the last three years?
No independent audit is published.