protonmail-openpgpjs-v4-0-release-notes

Open source cryptography takes a step forward with the release of OpenPGPjs 4.0

August 30th, 2018 in Encryption

We have just released a major new version of OpenPGPjs, the world’s most popular open-source JavaScript encryption library. The goal of our OpenPGPjs project is to make public-key cryptography not only available to users, but also to the global developer community. We believe the widespread availability of open-source and secure cryptography libraries is a prerequisite …

protonmail-openpgpjs-protonmail-security-audit

ProtonMail’s open source encryption library, OpenPGPjs, has passed an independent security audit

August 16th, 2018 in Encryption

As part of our commitment to open source, we maintain the OpenPGPjs encryption library. After some recent code enhancements, OpenPGPjs underwent an independent security audit, the results of which are discussed below. At ProtonMail, our goal is to make encryption as widespread and accessible as possible. We believe a key step toward that is having …

protonmail-encryption-backdoor

The real problem with encryption backdoors

June 22nd, 2018 in Encryption

With appeals to “national security,” governments around the world are pushing for encryption backdoors that would allow them to break into the secure data of suspected criminals. Simply put, this is a terrible idea.   For decades, law enforcement agencies have lobbied to force technology companies to weaken their own security protocols by adding an …

No, PGP is not broken, not even with the Efail vulnerabilities

May 15th, 2018 in Encryption, Security

Recently, news broke about potential vulnerabilities in PGP, dubbed Efail. However, despite reports to the contrary, PGP is not actually broken, as we will explain in this post. The vulnerability report, which came with its own website, efail.de, has attracted a lot of headlines such as the one below, along with recommendations to disable the …

Correcting misconceptions about the White House’s use of encryption and ProtonMail

March 18th, 2018 in Encryption

Like many of you, we have seen the story this weekend where it was revealed that ProtonMail was being used by White House staff. As a matter of policy, we never comment on individual accounts, so we will not confirm nor deny the authenticity of this account. And while we were hoping to not have …

We have released version 3.0 of OpenPGPjs, an open source OpenPGP library

March 9th, 2018 in Encryption

We’re happy to announce a major new version of OpenPGPjs, the world’s most widely used JavaScript PGP encryption library. Version 3.0 brings many enhancements to the hundreds of applications and millions of users who rely on OpenPGPjs. At ProtonMail, a big part of our mission is to make strong encryption and privacy accessible to every …

What is end-to-end encryption and how does it work?

March 7th, 2018 in Encryption

End-to-end encryption is the most secure way to communicate privately and securely online. By encrypting messages at both ends of a conversation, end-to-end encryption prevents anyone in the middle from reading private communications. Until recently, end-to-end encryption (E2EE) was the sole domain of the tech savvy because of the complicated operations required to use it. …

Email encryption for Outlook, Thunderbird, and Apple Mail

Introducing ProtonMail Bridge, email encryption for Outlook, Thunderbird, and Apple Mail

December 6th, 2017 in Articles & News, Encryption

Today we are officially launching ProtonMail Bridge, which brings easy-to-use email encryption to desktop email clients. Ever since the day that we first got the idea to create ProtonMail, one of the most enduring challenges has been how to do email security right while simultaneously making encrypted email easy enough to use for normal people. …

Introducing ProtonMail Contacts – the world’s first encrypted contacts manager

November 21st, 2017 in Articles & News, Encryption

Today we’re launching a new contacts manager, the first one in the world that includes both zero access encryption and digital signature verification. Starting with Version 3.12 of ProtonMail, we have rolled out a brand new version of Contacts for ProtonMail. The new ProtonMail Contacts was in development for over a year and is an …

encrypted email authentication

Improved Authentication for Email Encryption and Security

December 1st, 2016 in Encryption

Today, we are happy to announce the launch of a brand new authentication system for ProtonMail’s secure email service using just a single password. ProtonMail launched with a two-password system—one to authenticate the user to ProtonMail, and one to decrypt the mail. The security benefit provided by this separation is easy to understand, but it …

OpenPGPjs email encryption library

ProtonMail now the maintainer of OpenPGPjs email encryption library

August 2nd, 2016 in Encryption

OpenPGPjs is the world’s most popular open source JavaScript PGP email encryption library and is used by millions of end users and hundreds of developers.   We are happy to announce that ProtonMail will become the primary maintainer of the OpenPGPjs project. We would like to thank Tankred Hase, formerly the co-founder of whiteout.io, for …

protonmail spam filtering

Effective Spam Filtering with Encrypted Email

May 17th, 2016 in Encryption

One of the biggest challenges at ProtonMail is doing effective spam filtering with encrypted emails. As many of you have noticed, in recent weeks, spam filtering performance at ProtonMail has dramatically improved. This is because we have recently deployed a series of updates to improve spam filtering performance. In this three part series of posts, …

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