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  • 隱私指南
What is password entropy, and why does it matter? This guide shows you what makes passwords secure and how to improve your own.
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  • 隱私指南
Just as Big Oil has used greenwashing to block environmental protections, Big Tech uses privacy washing to stand in the way of privacy.
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  • 隱私指南
We show you how to hide your personal photos and videos on your iPhone, iPad, or Android device.
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  • 隱私指南
There’s an easier way to encrypt a zip file on Windows or Mac. In this article, we’ll show you your options to protect your files.
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  • Opinion
The European Council delayed a vote on its proposal to ban end-to-end encryption as there’s vocal opposition from key member states.
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  • Proton 新聞
We developed our own CAPTCHA service to ensure it is secure, respects privacy, and optimized to be usable by everyone. Find out how it works.
How to unsend an email in Gmail, Outlook, Proton Mail, and Apple Mail
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  • 隱私指南
You can stop a potentially embarrassing email you’ve just sent in Gmail, Outlook, Proton Mail, or Apple Mail. Here’s how.
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  • 隱私指南
You should know Chrome's new “ad privacy feature” won't stop Google from tracking you. It’s Google’s most brazen privacy-washing claim yet.
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  • Opinion
The UK government has acknowledged the Online Safety Bill might be unenforceable. It’s time for the EU to admit the same about Chat Control.
What is email spoofing?
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  • 隱私指南
Learn how to identify forged email messages and protect yourself against email spoofing, a common trick in phishing and spam emails.
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  • 隱私指南
Daniel Huigens, the head of Proton’s cryptography team, explains how the latest crypto refresh makes PGP more secure.