ProtonBlog(new window)

Privacy basics

What is data privacy?
  • Privacy basics
Data privacy means keeping your personal data to yourself and controlling who you share it with. From social media to search, shopping, and streaming, we all share vast amounts of personal data daily in the digital economy. As AI becomes integrated
  • Privacy basics
Cloud storage is extremely safe. It’s arguably less risky than physical storage on your local device. But that doesn’t mean there are no security risks. We’ve identified a few key risks you should be aware of and explain how to mitigate them. 1. Acc
  • Privacy basics
The way most people share photos online is not private. Even if you search “share photos online privately”, the top results offer options like Facebook and Google Photos. These companies have access to your pictures, and Google Photos even scans and
How to block emails
  • Privacy basics
Learn how to stop unwanted emails on Gmail, Outlook, Proton Mail, and other major email services. Whether to stop spam, prevent phishing, block a stalker, or just better control your overflowing inbox, we all need to block unwanted messages at times
What is Authenticated Received Chain (ARC)?
  • Privacy basics
ARC allows email providers to verify that emails are genuine when they’re forwarded or sent from a mailing list. We all suffer from spam, and anyone can fall victim to phishing. And if you have your own email domain (like @yourname.com), fraudsters
  • Privacy basics
In the same way you can encrypt your emails or back up your digital documents in an encrypted vault, you can also encrypt your pictures so that no one else can access them. This article explains what image encryption means, why you might want your p
  • Privacy basics
Zero-knowledge cloud storage is the most secure way to store files and folders online. It uses strong encryption protocols, including end-to-end encryption, so that no one but you can access your data. Many popular cloud storage services, such as Go
What is U2F?
  • Privacy basics
U2F security keys help to keep your online accounts secure even if your passwords are compromised. Passwords alone aren’t enough to secure your online accounts. Too many passwords are easy for hackers to crack, and even if you use unique, strong pas
Alternartive search engines to Google
  • Privacy basics
Google records everything you do as you use its search engine and other apps. Here are some alternative search engines that respect your privacy. With around 90% of the search engine market share worldwide and billions of daily searches, Google rema
  • Privacy basics
Sharing digital content with others is an essential part of our daily lives. From sending an interesting news article to a friend to showcasing your portfolio to a client, there are countless scenarios where link sharing is the quickest and most conv
What is a digital signature?
  • Privacy basics
A digital signature on a document is like a virtual fingerprint that verifies the identity of the person or entity that signed it. Unlike handwritten signatures, which you can easily forge, digital signatures are highly secure because they’re protec