Topic

Proton Authenticator.

Two-factor authentication software

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About Proton Authenticator

Proton AG is a Swiss for-profit technology company offering privacy-focused online services and software. It is majority owned by the non-profit Proton Foundation as a shareholder. The company was formerly known as Proton Technologies.

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Inception: July 31, 2025
Website: https://proton.me/authenticator