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Proton Launches New, 2FA Authenticator App

GENEVA, SWITZERLAND, JUL 31 – Proton Authenticator offers end-to-end encrypted two-factor codes to enhance login security and protect against SIM swapping, with over 100 million users benefiting from Proton's privacy tools.

  • Proton, a Swiss privacy-focused company, launched Proton Authenticator today as a free two-factor authentication app across all major platforms.
  • Proton developed this app to provide a privacy-centric alternative to Google, Microsoft, Authy, and Duo by putting users firmly in control of their data and access.
  • The open-source app uses end-to-end encryption, works offline, supports secure cross-device syncing, automatic encrypted backups, and easy import of existing codes.
  • Eamonn Maguire, Head of Account Security, said, "Two-factor authentication is essential for everyone," adding that strong security should not compromise convenience or privacy.
  • By launching Proton Authenticator, Proton expands its suite of privacy tools, offering users a secure 2FA solution that avoids vendor lock-in and enhances online account protection.
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MacRumors broke the news in United States on Thursday, July 31, 2025.
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