Product updates

Recently, a self-published paper that was not peer reviewed claimed weaknesses in Proton Mail's cryptographic architecture. The claims made in this paper are not inherent to Proton Mail's architecture. We do not believe the paper’s arguments constitu

今天，我们为14亿中国人带来了本地化支持。这是我们为所有人带来互联网隐私和安全的使命中非常重要的一步。

Introducing GDPR.eu, a new site to help businesses achieve GDPR compliance.

Today we’re reflecting on the new features, accomplishments, and events that shaped Proton Mail in the past year, and our vision for the future.

Proton Mail’s new Contact Groups feature makes it simple to organize your contacts and send emails to dozens of contacts at once.

From the very beginning, we have put a strong engineering emphasis on system reliability and availability. Today we are announcing a service level agreement (SLA) that puts our promise to business users in writing: 99.95% uptime or better.

Now with the click of a button, you can send phishing scams straight to our team and help make the Proton Mail community safer.

We give everyone the opportunity to test new features before they’re released to the public. Here’s how to become a Proton Mail beta tester.

We maintain the OpenPGPjs encryption library. After some recent code enhancements, OpenPGPjs underwent an independent security audit, the results of which are discussed in this article.