Proton is privacy by default. Welcome to a better internet where privacy and freedom come first. Our encrypted services help you fight for a better internet that is secure and private by default.
Join the 2024 Lifetime account fundraiser for online freedom
Learn how to join our 2024 Lifetime Account Charity Fundraiser, your chance to win our most exclusive plan and fight for a better internet.
What is zero trust and how can it protect your business?
Cybersecurity for businesses is harder than ever: find out how zero trust security can prevent data breaches within your business.
How to protect your inbox from an email extractor
Learn how an email extractor works, why your email address is valuable, how to protect your inbox, and what to do if your email address is exposed.
How to whitelist an email address and keep important messages in your inbox
Find out what email whitelisting is, why it’s useful, how to whitelist email addresses on different platforms, and how Proton Mail can help.
The top 3 cybersecurity threats business face in 2025
Thousands of businesses of all sizes were impacted by cybercrime in 2024. Here are the top cybersecurity threats we expect companies to face in 2025—and how Proton Pass can protect your business.
How many gigabytes are in a terabyte? Storage capacity explained
Learn how many GB are in a TB and discover the best way to securely store and share your files — no matter their size.
9 crucial things to look for in an enterprise password manager
Here's what to look for when choosing an enterprise password manager to streamline collaboration and protect your organization's sensitive data.
Can you unsend an email?
Learn how to unsend an email, how it’s useful for personal or business emails, and how Proton Mail can help.
Proton Mail and Proton Calendar winter product roadmap
Preview upcoming updates to Proton Mail and Proton Calendar, including performance boosts, new features, and enhanced privacy tools.
Proton Drive roadmap: Product updates coming this winter and spring
Discover the tools, features, and improvements coming to Proton Drive’s secure cloud storage and document editor this winter and spring.