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 …

A strong password doesn’t have to be 30 characters long. But if you’re using an eight-character password, you have a good chance of being hacked. This article will help you understand how long your password should be. For decades, information security experts have tried to get people to create stronger passwords by requiring a minimum …

Terrorist content has no place on any online platform, but we must also preserve our fundamental human rights even as we prevent terrorists and other criminals from abusing the Internet. Our mission is to promote security, privacy, and freedom on the Internet. That encompasses technical solutions, such as ProtonMail and ProtonVPN, but also policy solutions. …

Not everyone needs the same level of Internet privacy. This guide will help you determine your threat model and take steps to achieve online privacy that meets your needs. Total Internet privacy is impossible, and any service that claims to offer it is lying. But anyone can increase their Internet privacy by adjusting their online …

Law enforcement officials continue to lobby against encryption, saying it makes catching criminals and preventing terrorism more difficult. But they’re getting the ‘privacy vs. security’ debate fundamentally wrong. Here’s why. Four years ago, the Pew Research Center, a US think tank, asked hundreds of cybersecurity experts to weigh in on a simple question: “By 2025, …

Border agents have broad powers to search people crossing borders, including their phones and laptops.But there are ways to protect your data when crossing international borders if you understand the technology and the law. Crossing an international border is often a stressful experience. It becomes all the more stressful if you are pulled aside for …

You may have heard the dark web is a place for drug dealers and hitmen. That’s correct, but there’s more to it than that. In this article, find out what is the dark web, how to access it, and what you might find there. The dark web is a part of the Internet that requires …

Updated on January 31, 2019 Thanks to the passage of S.J.Res.34 in 2017, Internet service providers can sell and share users’ browsing history with advertisers. Here is our analysis of this law and the steps you should take to protect your privacy. US lawmakers voted in favor of allowing Internet service providers (ISP) like Verizon, …

March 12, 2017 is World Day Against Cyber Censorship (WDACC). Originally created by Reporters Without Borders and Amnesty International in 2008, the day seeks to draw attention to the issue of Internet censorship. If you logged into your ProtonMail account on Friday, you may have noticed that our login page is slightly different, with a …

Earlier today, Wikileaks dumped a large database of secret documents from the CIA in a released dubbed #Vault7. Here we do a deeper analysis of the leak and the broader implications on online security and encrypted services. Our in-depth analysis of the leaked CIA files is found at the bottom of this post. First, we …

As part of our efforts to continue protecting user privacy, we are launching a Tor hidden service to combat censorship and surveillance of ProtonMail users. Edit March 2018: New SSL certificate. See below. In the past two years, ProtonMail has grown enormously, especially after the recent US election, and today we are the world’s largest …

The Investigatory Powers Bill (IPB) has been approved by the UK Parliament and will come in force in 2017. We decided to do a deeper analysis of this law, since it potentially impacts a large number of ProtonMail users. According to our 2016 Encrypted Email User Survey, the UK accounts for the third largest group …