Proton

Privacy guides

  • Privacy guides
Threads collects reams of personal data, and its lack of privacy protections appears to be illegal in Europe. Here’s what we know so far.
  • Privacy guides
The most secure way to send pictures is with end-to-end encryption. Here are four ways to store and share photos privately.
How to block emails
  • Privacy guides
Learn how to stop unwanted emails on Gmail, Outlook, Proton Mail, Yahoo Mail, Apple Mail, and Thunderbird and use aliases to hide you email.
What is Authenticated Received Chain (ARC)?
  • Privacy guides
Authenticated Received Chain (ARC) allows email providers to verify that emails are genuine when forwarded or sent from a mailing list.
  • Privacy guides
You can encrypt pictures on any device or in the cloud. Here are step-by-step instructions to protect your privacy with image encryption.
  • Privacy guides
Zero-knowledge cloud storage protects your files with end-to-end encryption so only you can access your data. Here’s how it works.
What is U2F?
  • Privacy guides
Learn how FIDO U2F security keys help to keep your online accounts secure even if your passwords are compromised.
Alternartive search engines to Google
  • Privacy guides
Google tracks every move you make as you search. Here are five alternative search engines to protect your privacy.
  • Privacy guides
Learn how file sharing links work and the benefits of use an end-to-end encrypted link sharing app.
What is a digital signature?
  • Privacy guides
Learn how digital signatures work and ensure the authenticity and integrity of digital messages, documents, and other data transfers.
  • Privacy guides
Apple promotes its products as a private alternative, but iCloud is not private by default. Here's what Apple can see in iCloud.