Security experts reveal Proton is the 'only VPN' to avoid internal tunnel IP fingerprinting on iOS
… This allows iOS apps to track user sessions across apps. https://t.co/2yUxMaPjpD pic.twitter.com/zOyR8lZBWQ June 15, 2026 This week, security researchers at Mysk used software they have developed to illustrate the issue definitively . …