This feature bounces your traffic via a Secure Core server before relaying it on to your destination of choice.ProtonVPN only has Secure Core VPN servers in Switzerland, Iceland, and Sweden. There is a built-in kill switch feature that works like any other kill switch. ProtonVPN exclusively uses ciphers with Perfect Forward Secrecy, meaning that your encrypted traffic cannot be captured and decrypted later, even if the key gets compromised. Hello Reddit, a few days ago we released our free Sudoku App for Android. It’s far from perfect, though — read on to see what we like about ProtonVPN and what we think needs improvement.ProtonVPN comes from a company with a great reputation in the world of cybersecurity.It is operated by ProtonVPN AG but shares a management team, office, and resources with Proton Technologies AG — the same company as encrypted email service ProtonVPN AG operates under the jurisdiction of Switzerland.This allows its users to benefit from some of the world’s strongest privacy laws, While ProtonVPN will disclose the “limited data” it possesses if faced with a Swiss court order, the fact this isn’t personally identifiable means it isn’t something to worry too much about.This log is stored to determine that nobody else is using your account, and is overwritten every time you use the VPN service.