ProtonBlog

Privacy basics

Illustration of email encryption
  • Privacy basics
You need an email address to exist at all in the online world. Signing up for YouTube, Facebook, Twitter, Reddit, or any other online service requires one. It’s also our go-to method of communication for online banking, purchasing, and business deals
  • Privacy basics
This article has undergone a complete refresh, published on May 31, 2023. We removed Wickr  because AWS, its new owners, have withdrawn the product to focus on enterprise solutions. We also removed Keybase because it’s now owned by Zoom. We replaced
An illustration of protesters protecing their privacy.
  • Privacy basics
  • Privacy deep dives
From Hong Kong to Minneapolis, protesters around the world are standing up for their human rights. The right to peaceful assembly and protest are bedrocks of democracy, and we support everyone’s ability to exercise these rights. We created Proton Mai
  • Privacy basics
Learn all about TLS/SSL certificates, the digital files that help to authenticate and secure data transfers across the internet.  Whenever you send or receive information on the internet, it passes through a network of multiple computers to reach th
Illustration of changing email provider
  • Privacy basics
This article takes you through all the factors to consider when moving to a new email provider and leaving privacy-invasive companies such as Gmail, Outlook, and Yahoo Mail. Switching your email provider may feel as difficult as moving to a new hous
An illustration of anonymized data.
  • Privacy basics
Many companies that handle personal information reassure their users by saying that all the data is “anonymized.” If you don’t know any better, that sounds reassuring. However, the method most companies use to anonymize data and the size of modern d
  • Privacy basics
  • Privacy news
As the world is grappling with a sharp rise in the number of COVID-19 cases, fraudsters are trying to capitalize on the state of panic and even the goodwill of others. More than 1,400 coronavirus-related domains were registered over the past three m
Illustration of someone working from home.
  • Privacy basics
  • Privacy deep dives
Working from home is one of the many massive societal changes that COVID-19 has forced upon the world. Millions of people are now handling sensitive work data outside their office for the first time. It can be hard enough to keep data secure in the o
An illustration of different smart devices that make up the Internet of Things.
  • Privacy basics
  • Privacy deep dives
The Internet of Things has come a long way since the turn of the century when it was a buzzword used by futurists and entrepreneurs. Although not yet as ubiquitous as some predicted a decade ago, Internet-connected devices have crept into many aspect
illustration of biometric authentication
  • Privacy basics
Biometric authentication is a growing part of the tech landscape — it’s in our schools, offices, airports, government buildings, and more recently, in our smartphones. Apple’s introduction of Touch ID in 2013 has paved the way for fingerprint-, face-
  • Privacy basics
The smartphone is one of the most invasive devices ever invented. It’s easy to forget that, of course, because we are so familiar with them, and they are so useful. But while you might value your smartphone for the convenience it gives you, tech comp