The Mullvad Blog

We were recently made aware of multiple potential DNS leaks on Android. They stem from bugs in Android itself, and only affect certain apps. Read more

Vulnerabilities in some implementations of Kyber, the quantum-resistant key encapsulation mechanism, were recently disclosed. Mullvad’s quantum-resistant tunnels are not affected by this vulnerability, nor any vulnerability of the same kind. Read more

The firewall bug in macOS 14 Sonoma betas and release candidates that we blogged about last week has been fixed by Apple. Read more

The macOS 14 Sonoma betas and release candidate contain a bug that causes the firewall to not filter traffic correctly. As a result, our app does not work. Read more

Mullvad is mostly unaffected by the TunnelCrack VPN vulnerabilities. This is our response to the recently disclosed set of attack vectors on VPNs. Read more

The quantum-resistant tunnels feature is finally stabilized and can easily be enabled for all WireGuard tunnels in our desktop app. Read more

A security assessment of the Mullvad VPN apps has concluded that the app is well-architected from a security perspective. Some issues were found, and they have been fixed to the extent possible. Read more

An ongoing security audit of our app identified that Android leaks certain traffic, which VPN services cannot prevent. The audit report will go public soon. This post aims to dive into the finding, called MUL22-03. Read more

Our latest beta (app version 2022.3-beta1) and some WireGuard servers now support VPN tunnels that protect against attackers with access to powerful quantum computers. Read more

The app now has an easy-to-remember two word name as its device identifier. This both solves the dreaded “too many keys”-issue and it gives users a more friendly way of identifying their devices. Read more