Since we launched in 2014, ProtonMail has been the preferred email service provider for activists around the world. Protecting freedom of speech and democracy is, after all, one of the main reasons we created ProtonMail in the first place. Normally, this would not be of particular interest to anyone: we have always believed that all …

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 allow us to decrypt it, …

As there has been a lot of inaccurate information circulating online about ProtonMail 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 announced that we would be bringing ProtonMail to the F-droid alternative app store as part of …

Earlier this week, investigative journalists at Bellingcat were targeted by a sophisticated phishing attack. As there has been some incorrect reporting about the incident, we are releasing a statement to provide clarification. On July 24, investigative journalists at Bellingcat, which utilize ProtonMail to secure their communications, were targeted by a sophisticated phishing attack that attempted …

As some people in the ProtonMail community have noticed, at the start of March, some mail servers in Russia started having difficulty communicating with ProtonMail. While people in Russia are still able to access the ProtonMail website and log in to their accounts, Russian email services like mail.ru cannot reliably send messages to ProtonMail. Over …

Proton Technologies has always been engaged in research as a legacy of our scientific past. Whether it’s designing open source cryptographic libraries, modernizing existing standards, or developing new standards, research and development has always comprised a large fraction of our expenditures. We are glad to announce that the European Commission’s Horizon 2020 program, which has …

What started out as a part-time experiment is now the largest secure email provider in the world. How did we get here? One word: YOU. More than other companies, ProtonMail is the sum of its users. And in 2018, millions more of you joined us. We’re growing at an accelerating pace, and many of our efforts …

Earlier this week, the British National Crime Agency announced the arrest of George Duke-Cohan, also known by his aliases“7R1D3N7,”“DoubleParallax,” and, more recently, “optcz1.” At ProtonMail, we unfortunately have to face off against cyberattacks on a daily basis. Over the course of this summer, no fewer than five separate groups have been conducting attacks against ProtonMail. …

Starting with the latest release of ProtonMail on web (v3.14), iOS and Android (v1.9), and the latest versions of the ProtonMail IMAP/SMTP Bridge, ProtonMail now supports Address Verification, along with full PGP interoperability and support. In this article, we’ll discuss these two new features in detail, and how they can dramatically improve email security and …

New regulations always create compliance-induced headaches for companies. But in this case, the European Union’s General Data Protection Regulation (the GDPR) presents an enormous opportunity for businesses to improve their digital security. Encryption is one of the data protection measures specifically recommended in the GDPR. Under the new law, organizations that suffer a data breach …

Edited May 25th, 2018 to remove the GPGTools recommendation due to the fact that Apple still has not patched certain Apple Mail vulnerabilities. We are the developers of Enigmail, Mailvelope, ProtonMail, and the inventor of PGP. Together, we have built a lot of the software that powers email encryption today. Last week, a group of …

Four years ago, over 10,000 people contributed to our crowdfunding campaign and jumpstarted our mission to create a more secure and private Internet for all. The job is far from done. In the summer of 2014, we shared our vision of a better Internet and invited you to join us. Over 10,000 of you answered …