Proton

Privacy guides

What is Sender Policy Framework (SPF)?
  • Privacy guides
Learn about SPF email authentication and why you need it to help protect your domain and ensure your messages are delivered.
  • Privacy guides
Cloud storage is a great way to store and share files, but it isn’t immune to hacking. We explain how you can protect your cloud account.
What is DKIM?
  • Privacy guides
Learn how DKIM is used to authenticate emails and why you need it to help prevent your domain from being spoofed.
  • Privacy guides
We explain how private email can help protect you against hackers, government spies, and Big Tech’s invasion of your privacy.
  • Privacy guides
A password manager is a computer program (app) that generates secure passwords and remembers them for you
how to check email attachment is safe
  • Privacy guides
Email attachments may contain malware that can infect your device. Here’s how to check if an attachment is safe to open.
  • Privacy guides
We explain what cloud storage is, how it works, and why you should use it. We also explain what makes Proton Drive a more secure option.
  • Privacy guides
Phishing scams can put you at risk of identity theft, credit card fraud, or other cybercrime. Learn how to spot and prevent phishing.
how to stop email trackers
  • Privacy guides
Email trackers record your email activity and pose a pervasive threat to your privacy. Here’s how they work and how to block them.
  • Privacy guides
In this article, we examine the LastPass data breach and consider the lessons that can be drawn from it.
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.