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Guides

An illustration of different smart devices that make up the Internet of Things.
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The number of IoT (Internet of Things) devices will reach 38 billion in 2020, opening up a massive opportunity for privacy breaches.
illustration of biometric authentication
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Biometric authentication is everywhere, from smartphones to offices and more. Here's how to be safe while using physical characteristics as your password.
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Android is one of Google’s most important tools for collecting data on users. This guide will help you improve your privacy on Android devices.
illustration of protonmail ios security recommendation
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Activate Touch ID, Face ID, or PIN protection in the Proton Mail iOS app for added protection against malware and warrantless device searches.
Data breach prevention illustration
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This post explains the steps you should take to prevent your data from being exposed in a breach, including using aliases and end-to-end encryption.
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Learn what PGP encryption is and how it works, how secure PGP is, and the simplest way to secure your emails with PGP encryption.
Proton Mail for Journalist
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Proton Mail supports independent journalism. Our encrypted messages let journalists protect their sources and whistleblowers safely report wrongdoing.
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In this article, we tell you how to create a strong password and the best way to keep it safe.
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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.
Internet privacy
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Increase your online privacy with this one-stop guide. It includes simple steps to keeping companies and hackers away from your data.
black friday scams
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We’ve done some research and put together a list of Black Friday email scams that tend to crop up around this time of year. If you know their strategies, it’s much easier to protect yourself and your online accounts.