Proton

Privacy guides

What is a digital signature?
  • Privacy guides
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
  • Privacy guides
Many people who use Apple products assume their data is private because of the company’s aggressive marketing on the topic. “Some things shouldn’t be shared. iPhone helps keep it that way,” goes one famous ad. “Privacy. That’s iPhone.” But if you u
  • Privacy guides
Whether it’s personal documents such as your birth certificate or confidential business files like work contracts, we all have sensitive documents we need to store securely. With so many storage options available, it’s important to understand the dif
  • Privacy guides
At Proton Mail, your security is our number one priority. Normally, this means protecting your inbox from unauthorized outside access. However, rather than trying to hack your software, phishing emails try to hack you. By spoofing emails from trusted
  • Privacy guides
Learn all about email clients and why you might use one instead of webmail. If you’ve used an app like Gmail on your mobile phone or Outlook on your computer, you’ve used an email client. We explain how an email client works and the pros and cons of
anonymous email
  • Privacy guides
No email service is completely anonymous. Learn how to send an email as anonymously as possible using private email, aliases, and a VPN or Tor. Do you need to send an email without revealing who you are? Unfortunately, you can’t just sign up for a f
How do scammers get your personal info?
  • Privacy guides
Fraudsters have many ways to steal your identity and money, but there are simple steps you can take to protect yourself. Given how much valuable personal data we store online, scammers have a strong incentive to try to steal it. With just a few pers
How to share encrypted files easily and securely
  • Privacy guides
Almost everything on the internet is encrypted these days. And yet data breaches still frequently spill sensitive files into the hands of hackers, and identity theft is a multi-billion-dollar industry. Why? This article explains what’s broken about
  • Privacy guides
In today’s digital age, sharing large files has become an essential part of our personal and professional lives. Whether you’re trying to send a promotional video to a client or a home tape to a family member, transferring large video files can be a
  • Privacy guides
We’re living in the middle of one of the largest tech gold rushes in recent history. OpenAI’s chatbot reached 100 million users in two months. Hoping to keep up, Google introduced its own AI chatbot, and Microsoft added a chatbot to its Bing search e
What is DMARC?
  • Privacy guides
DMARC is an email authentication method that verifies a message came from a legitimate sender. Learn how it works and why you need it to improve the deliverability of your emails and protect your domain. Building on the DKIM and SPF authentication p