Proton

Privacy guides

a purple illustrated phone screen with a white Android logo on it, 4 other phone screens sit behind it and an X icon is on the right corner
  • Privacy guides
Find out how to stop apps running in background Android processes, and read our tips to keep your phone more secure.
An image showing a purple illustrated speech bubble containing a key icon with a password field in the bottom right corner
  • Privacy guides
Discover how passkeys work, why they beat passwords on security and usability, and when you still need a password.
The @ (at) sign and an open letter, representing what is an email address
  • Privacy guides
What is an email address, really? Discover how it works, what makes one valid, and simple tips to keep yours private.
Which mobile OS is more secure?
  • Privacy guides
We take an in-depth look at whether Android or iOS is more secure. It's a complex question with nuances on both sides.
an image showing eavesdropping between two purple cartoon mobile phones
  • For business
  • Privacy guides
Eavesdropping attacks can be levied at individuals and businesses, but how do they work? We explain how to protect against them
The ChatGPT and Lumo logos, representing a private ChatGPT alternative
  • Privacy guides
ChatGPT comes with privacy and security risks for your data. But there's a private ChatGPT alternative that's safe to use.
The ChatGPT logo and a question mark, representing uncertainty about whether ChatGPT is safe to use
  • Privacy guides
Is ChatGPT safe to use? Learn the privacy, security, and business risks of AI assistants, what not to share, and a private alternative.
Illustration of a hand holding a megaphone in the air
  • Privacy guides
Protesters can expose personal information that puts them at risk. Here’s how to keep your identity private and your devices secure at a demonstration.
  • Privacy guides
Your phone can be hacked just like your computer, but how can you tell? Find out how to know if your phone is compromised.
Photos of individuals and locks, representing deepfake prevention techniques
  • Privacy guides
Deepfakes are getting harder to spot. Find out how to prevent deepfakes by protecting your photos, videos, and voice with practical tips.
Is BitLocker safe?
  • Privacy guides
BitLocker is Microsoft's built-in full-disk encryption solution for Windows. It's convenient, but is it safe?