Proton

Latest articles

what are email headers
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  • 隱私指南
Learn what email headers are, what they contain, and how to read them to keep your inbox secure and spam-free.
Swiss laws and encryption protect Proton users from abortion-related data requests
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  • 隱私新聞
Google and Facebook are handing over user data to police for abortion prosecutions. Learn why Proton would never do that.
how to encrypt files
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  • 隱私指南
If you have sensitive files or just want to keep your data private, here’s how to encrypt files on Windows, Mac, Android, and iOS.
what is two factor authentication (2fa)
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  • 隱私指南
Learn what 2FA is, how it works, and why you should use it wherever you can to protect your privacy and security online.
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  • 隱私指南
Cloud storage lets you share large files quickly, back up your data, and more. Read on to find out if you should use cloud storage.
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  • Opinion
The UK’s proposed Online Safety Bill would likely undermine free speech and end-to-end encryption without tackling illegal content.
how to password protect pdf header image
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  • 隱私指南
Here's a step-by-step guide outlining how to password-protect PDF files and other ways to keep your documents safe from prying eyes.
can emails be traced
  • 隱私指南
電子郵件提供者、ISP 和執法者有辦法透過您的電子郵件追蹤和跟蹤您。以下是如何在線上保持私密。
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  • 產品更新
  • Proton Drive
The code for the Proton Drive Android and iOS apps is now open source, meaning anyone can examine it for themselves.
Proton Mail Schedule send
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  • 產品更新
  • Proton Mail
With Schedule send, you can set emails to be delivered later at a time convenient for you and your recipient.
what is ciphertext
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  • 隱私指南
Learn all about ciphertext (encrypted text) and how it protects your privacy and secures online communications, including encrypted email.