Today marks a major milestone in the development of Proton Calendar, our privacy-focused calendar: The beta version of the Proton Calendar Android app is now available in the Play Store for paid users. A calendar is actually one of the most sensitive apps. The typical calendar contains a huge amount of sensitive personal data. We …

Now is a great time to take control of your privacy and support a free and open internet with limited-time Black Friday offers from Proton. This is a special opportunity to get Proton services at a discount, and this year we’re including something new. In addition to getting up to 50% off a ProtonMail Plus …

Belarusians are in the streets, no longer willing to live under the tyranny of “Europe’s last dictator.” We at Proton stand with the people of Belarus against the violent suppression of their freedoms, and we would like to once again offer our support to any independent groups fighting for democracy on the ground. The Aug. …

We’re happy to announce that the 2019 Lifetime account auction has raised over €30,000. Proton will match these contributions for a total donation of over €60,000 to three organizations working to build a more equitable, free, and sustainable world: NetBlocks, 350.org, and the Web Foundation’s Women’s Rights Online project. This is the second year of …

After the success of last year’s auction, we are selling three more Proton Lifetime Accounts this year to benefit organizations worthy of our community’s support. The auctions will take place on eBay and will start next week at 8 PM Central European Time on Dec. 19 and run until Dec. 29. If you’re interested in …

UPDATE Nov. 19, 2019: We have recently confirmed that our users in Belarus can access ProtonMail and ProtonVPN once again. While there has been no official communication as to why ProtonMail and ProtonVPN were unblocked (or why we were blocked in the first place), public outcry seems to have played a part. Both Roskomsvoboda, a …

We’re happy to announce that the ProtonMail 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’s why we have contributed to the open source community by …

UPDATE Aug. 3, 2020: Cybersecurity experts discovered a new vulnerability that allows access to the private encryption keys stored in old versions of Apple’s Secure Enclave chips. The Secure Enclave chip is a security feature that protects the private encryption keys your iOS device uses to encrypt all the sensitive data on your device. ProtonMail’s AppKey is stored …

Today we’re unveiling our biggest redesign ever. Not only does ProtonMail Version 4.0 look more modern on the surface, it’s part of our ongoing transition to a newer software framework that lays the foundation for future features, new products, and better customization.  You can start using the ProtonMail Version 4.0 beta right now. It’s open …

We created ProtonMail in 2014 because we were concerned about mass surveillance. At the time, governments were spying on our emails, text messages, and phone calls. Now there’s a new surveillance threat, but this time the information at risk isn’t our communications — it’s our bodies. Today, we’re joining other privacy advocates and businesses to …

The Internet is full of information about what companies should do to keep consumers’ personal data safe from hackers. And there’s plenty of advice for consumers who have already been the victim of a data breach. (You can read our article on the ProtonVPN blog about what to do if you were the victim of …

When you send an encrypted email with ProtonMail, your message is automatically protected with PGP encryption. What is PGP? This article explains the tech behind our security promise. PGP stands for Pretty Good Privacy, but the name is an ironic understatement. In fact, PGP is the most widely used email encryption system in the world. …