Proton

Product updates

Illustration of alternative routing
  • Product updates
(This article has been updated from the original feature announcement to reflect the fact that alternative routing is now in full operation.) Alternative routing is an anti-censorship system that can help you access our website if your government, I
Illustration of vulnerability disclosure
  • Product updates
  • Proton Mail
Our mission at Proton is to make online safety accessible to everyone. Millions of people depend on our Proton Mail to secure their communications and keep their information private. In order to make this high level of security accessible to all Int
Illustration of a user using DKIM keys to stop a hacker spoofing their email.
  • Product updates
  • Proton Mail
It is now harder for hackers and spammers to impersonate Proton Mail users that have custom domain email addresses. We have introduced the DKIM key management in beta, which allows you to manually rotate your DKIM keys. This is part of our continuing
An illustration of Proton Mail being blocked in Russia.
  • 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
  • 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
  • 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
  • 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
  • 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.
  • 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
  • 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
  • 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