Pretty Good Privacy keys illustration

What is PGP encryption and how does it work?

August 8th, 2019 in Security

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. …

An illustration of Kazakhstan government surveillance

Kazakhstan’s aggressive mass surveillance technique explained

August 1st, 2019 in Encryption

Aug. 7, 2019 update: The government has reversed its surveillance strategy, claiming the whole program was a “test” that is now complete, according to Reuters. If you installed a government root certificate on your device, you may now uninstall it without consequence. We have provided instructions in this article below for how to do so …

Statement on the attempted phishing attack against Bellingcat

July 27th, 2019 in Articles & News

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 …

Don’t be fooled by Google’s fake privacy

July 2nd, 2019 in Privacy

Google recently generated a flurry of coverage about its supposed privacy pivot, including an op-ed in The New York Times by chief executive Sundar Pichai. “We feel privileged that billions of people trust products like Search, Chrome, Maps, and Android to help them every day,” Pichai wrote. It’s not that we necessarily trust Google. It’s …

Gmail confidential mode is not secure or private

June 20th, 2019 in Privacy

Without end-to-end encryption, Gmail confidential mode is little more than a marketing strategy. Learn why privacy experts call Google’s privacy features “misleading.” When we launched ProtonMail nearly five years ago, we pioneered a new kind of email service: one that gives you control of your own data. All emails are end-to-end encrypted and zero-access encrypted, …

Protonmail 3.16 features illustration

ProtonMail v3.16 Release Notes

June 6th, 2019 in Releases

The latest version of the ProtonMail webapp includes three new features for improved security and convenience. ProtonMail version 3.16 now offers elliptic curve cryptography, an optional link confirmation warning to guard against phishing attacks, and an “undo move” feature for those moments you accidentally send an email to the trash or the wrong folder. Elliptic …

Response to false statements on law enforcement surveillance made by Martin Steiger

May 29th, 2019 in Privacy

Earlier today, a Swiss lawyer named Martin Steiger published a factually incorrect article about ProtonMail on his blog, alleging, among other things, that “ProtonMail voluntarily offers assistance for real-time surveillance.” Martin Steiger’s claim is factually incorrect, and Mr. Steiger is also aware that this claim is false. Not only have we informed him multiple times …

Think you have nothing to hide? Filmmaker Marc Meillassoux says think again.

May 29th, 2019 in Articles & News

ProtonMail is supporting the crowdfunding campaign for Disappear – Cover your online tracks, a new documentary project by the makers of Nothing to Hide. At ProtonMail, one pillar of our mission is to educate the public about why online privacy is so important to democracy and human freedom. The creators of the new documentary, Disappear …

ProtonMail Android v1.11 illustrated by a fingerprint

ProtonMail Android v1.11 release notes

May 16th, 2019 in Releases

With ProtonMail Android version 1.11, accessing your encrypted inbox is now faster and more secure. You now have the option to unlock the app with your fingerprint. We are continuously working to make our apps easier to use for our community while maintaining the high security standards you have come to expect from Proton projects. …

Introducing GopenPGP, an open source encryption library for native applications

May 15th, 2019 in Articles & News

Open source is a core principle of ProtonMail. We’re excited to make even more of our code available for independent inspection and use by the developer community. In 2016, ProtonMail became the maintainer of OpenPGP.js, the world’s most widely used Javascript email encryption library. Since then we have updated the library with new features, such …

ProtonMail is dropping support for Internet Explorer 11

May 7th, 2019 in Articles & News

If you still use Internet Explorer, you will need to switch to a more secure, modern web browser to access ProtonMail. When ProtonMail 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 ProtonMail from IE after the update will be …

Using ProtonMail for Journalism

May 3rd, 2019 in Articles & News

ProtonMail is a free, encrypted email service that protects your messages from hackers, government surveillance, and data breaches. Not even ProtonMail can access your emails. To download a copy of this post as a PDF, click here. “Unencrypted journalist-source communication is unforgivably reckless.”— Edward Snowden, NSA whistleblower “I’m afraid for the safety of those I …

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