In real-world use, we found the apps did a very solid job of protecting our privacy. The process uncovered some issues, but nothing major, and Proton fixed everything that mattered.

In 2020, Proton called in security experts SEC Consult to audit its apps. Unusually, they're all open source, so anyone qualified can download the code and check for bugs or security issues. Founded in 2014 by a group of CERN-based scientists, the Swiss team began by creating ProtonMail, which now claims to be 'the world's largest encrypted email service.' This is a company which clearly knows how to deliver secure web services worldwide.Įxperts looking for more evidence can take an in-depth look at the apps. Proton VPN's backstory gets it off to a good start, because the company has a track record of security success. When you're choosing a VPN, paid or free, one of the first questions to ask is whether it can be trusted – whether it has the knowledge, the experience, and the intent to properly look after your privacy. Proton VPN provides a kill switch, and it's a good one (Image credit: Proton VPN) Privacy and logging

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