Microsoft Authenticator Bid Farewell: Proton Offers Reliable Competitor
Proton Authenticator, a new cross-platform app, has been launched by the team behind Proton Mail and Proton Pass. This open-source app is designed to add an extra layer of security by generating TOTPs (temporary time-bound codes) for two-factor authentication (2FA).
The source code of Proton Authenticator is open source and hosted on GitHub, ensuring transparency and trust. It is available on Android, iOS, Linux, Windows, and macOS, making it accessible to a wide range of users.
One of the key features of Proton Authenticator is its end-to-end encryption, ensuring that your data remains secure. The app does not contain ads or tracking, providing a clean and uncluttered user experience.
Proton Authenticator allows users to securely store TOTPs from any supported service. It also allows for secure synchronization between multiple devices, ensuring that your 2FA tokens are always up-to-date across all your devices.
For those already using other 2FA apps such as Microsoft Authenticator or Google Authenticator, Proton Authenticator can import existing 2FA codes. This makes transitioning to the new app seamless and hassle-free.
It's important to note that Proton Authenticator is not an advertisement, but a new app released by Proton. The app can be used offline without additional configuration, providing an extra level of convenience.
In addition, Proton Authenticator features automatic backups of TOTPs, ensuring that your data is always safe, even in the event of a device loss or malfunction.
Two-factor authentication (2FA) is a crucial step in protecting online accounts and personal data. By adding an extra verification step beyond a password, 2FA makes it harder for malicious actors to access accounts, even if passwords are stolen.
Authenticator apps, including Proton Authenticator, Ente Auth, and Bitwarden Authenticator, play a vital role in this process. They help prevent unauthorized access to online accounts and protect personal data.
In August 2025, Proton Authenticator was developed by the Swiss company Proton and released as a new open-source two-factor authentication app. Users can start adding their 2FA tokens after installing the app, taking the first step towards a more secure online experience.
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