In addition to standard OpenVPN connections, Mullvad supports WireGuard. WireGuard is an experimental protocol with theoretically better security and higher reliability, although it is not currently recommended for production use.
Mullvad's VPN clients have been audited by Cure53 and Assured AB in a pentest report published at cure53.de. The security researchers concluded:
+Mullvad's VPN clients have been audited by Cure53 and Assured AB in a pentest report published at cure53.de and . The security researchers concluded:
@@ -48,7 +48,7 @@...Cure53 and Assured AB are happy with the results of the audit and the software leaves an overall positive impression. With security dedication of the in-house team at the Mullvad VPN compound, the testers have no doubts about the project being on the right track from a security standpoint.
ProtonVPN is a strong contender in the VPN space, and they have been in operation since 2016. ProtonVPN is based in Switzerland and offers a limited free pricing tier, as well as premium options.
As of January 2020 all ProtonVPN apps are now open source and audited. +
As of January 2020 ProtonVPN has undergone an independent audit by SEC Consult.
ProtonVPN has 610 servers in 44 countries at the time of writing this page. Typically the more servers a provider offers, the better: With hundreds of servers in operation, you are far more likely to find a fast connection and a server geographically closest to you.