Proton

Product updates

An illustration of Proton Mail being blocked in Russia.
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  • Product updates
  • Proton Mail
You can read this blog post in Russian below. Этот пост доступен на русском языке ниже. On Jan. 29, the Russian government announced via an official website that effective immediately, Proton Mail would be blocked in Russia. (Proton VPN, however, i
illustration of ProtonCalendar security model
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  • Product updates
  • Proton Calendar
This article documents Proton Calendar’s security model and illustrates how our product protects calendar-related sensitive data. We examine the advantages and limitations of our approach. This document is somewhat technical, discussing how encrypti
illustration of Proton Mail iOS open source
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  • Product updates
  • Proton Mail
We’re happy to announce that the Proton Mail iOS app is now fully open source.  We believe in transparency, the power of community, and building a more private and secure future for all. That’s why our web app has been open source since 2015, and it
illustration of Proton Mail iOS client security
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  • Product updates
  • Proton Mail
This post documents Proton Mail’s iOS security model and illustrates how our application protects sensitive data on client iOS devices. The advantages and limitations of this approach are discussed, and the source code can be viewed here. You can als
Illustration of why Proton Mail is trustworthy
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  • Product updates
  • Proton Mail
This is a challenging question to answer, but it is also a fair one, so we wanted to share our views about this in a blog post. In general, we strive to make our service require as little trust as possible. We encrypt data in a way that does not allo
Illustration of multi-account support in Proton Mail Android.
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  • Product updates
  • Proton Mail
Version 1.12 of the Proton Mail Android app makes it easy for anyone to manage multiple Proton Mail accounts right on their phone. This feature allows you to be logged into multiple Proton Mail accounts at the same time, and easily switch between the
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  • Product updates
  • Proton Mail
As there has been a lot of inaccurate information circulating online about Proton Mail and Huawei, the purpose of this blog post is to clarify the facts and provide information to the Proton community. BACKGROUND On September 5th, 2019, we announc
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  • Product updates
  • Proton Mail
UPDATE Sept 8th, 2019 – This blog post has been reported in some mainstream media as Proton Mail is considering to “partner with Huawei”. Proton Mail is not partnering with Huawei. We are simply considering allowing Proton Mail to be used by people w
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  • Product updates
  • Proton Mail
When Proton Mail 4.0 is released later this year, we will no longer support Internet Explorer (IE), including the newest version, IE 11. Anyone trying to access Proton Mail from IE after the update will be prompted to switch browsers. In this article
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  • Product updates
  • Proton Mail
For several months, we have been working to implement support for new cryptographic methods in Proton Mail that give users a faster experience with equal or better security. Today, we’re excited to announce that elliptic curve cryptography is now ava
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  • Product updates
  • Proton Mail
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