Proton

Latest articles

what are email headers
  • Privacy guides
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
  • Privacy news
Google and Facebook are handing over user data to police for abortion prosecutions. Learn why Proton would never do that.
how to encrypt files
  • Privacy guides
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)
  • Privacy guides
Learn what 2FA is, how it works, and why you should use it wherever you can to protect your privacy and security online.
  • Privacy guides
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.
  • 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
  • Privacy guides
PDFs often contain sensitive information. Here’s how to protect PDFs with a password and securely share them with anyone.
can emails be traced
  • Privacy guides
Email providers, ISPs, and law enforcers have ways to trace and track you through your emails. Here’s how to stay private online.
  • Product updates
  • 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
  • Product updates
  • 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
  • Privacy guides
Learn all about ciphertext (encrypted text) and how it protects your privacy and secures online communications, including encrypted email.