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An image of Proton Mail's open source encryption libraries.
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  • Actualités Proton
Developers can now quickly see which other cryptographic libraries OpenPGP.js and GopenPGP work with. This makes developing encrypted apps much easier.
An illustration of protesters protecing their privacy.
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  • Guides vie privée
Protesters can expose personal information that puts them at risk. Here’s how to keep your identity private and your devices secure at a demonstration.
Illstration of the surveillance represented by user data requests.
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  • Actualités vie privée
Companies like Facebook and Google collect massive amounts of data on their users, which national governments then request for surveillance purposes.
  • Guides vie privée
Tout savoir sur les certificats TLS/SSL, ces fichiers numériques qui permettent d'authentifier et de sécuriser les transferts de données sur internet.
Illustration of changing email provider
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  • Guides vie privée
Changing your email provider may seem as daunting as changing your name. Our tips on what to consider when making the switch and step-by-step guides make the transition gradual and painless.
An illustration of COVID-19 contact tracing apps.
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  • Guides vie privée
Many countries are turning to contact tracing apps to fight COVID-19. These represent grave threats to privacy if they are not designed properly.
An illustration of anonymized data.
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  • Guides vie privée
Many companies say they anonymize your data, but some don’t do it properly. Studies have shown it’s fairly easy to re-identify you from your information.
An illustration of the multi-account feature for iOS.
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  • Nouveautés produits
  • Proton Mail
Multi-account support is now available on the new version of Proton Mail iOS. Access all your Proton Mail accounts on the go with your iOS device.
An illustration of the Proton Mail Android app going open source.
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  • Nouveautés produits
  • Proton Mail
Our Proton Mail Android app is open source. We are committed to transparency and contributing to the open source and privacy tech community.
illustration of Proton Mail Android client security
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  • Nouveautés produits
  • Proton Mail
Our Android security model explains what our app does to secure Proton users’ data. This article outlines how we handle data and mitigate potential attacks.
Illustration of Proton Mail Bridge open source
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  • Nouveautés produits
  • Proton Mail
Our Bridge app is now open source for macOS, Windows, and Linux. Find links to the code and an independent security audit report.