A screenshot of the MY2022 app via Citizen Lab. The Citizen Lab, a Toronto-based internet freedom watchdog, found a “devastating” flaw that jeopardizes encrypted communication in the My2022 mobile app, a mandatory health monitoring app for all Beijing Winter Olympic attendees. The security loophole would make personal data — including audio files, health status, passport information, medical and travel history — vulnerable to third-party exploitation. Another cybersecurity firm, Internet 2.0, also issued an alert of widespread surveillance practices in China and suggested overseas attendees le…