Every Olympian participating in next month’s Beijing Winter Olympics is required to download the My 2022 app, which is used to monitor the athletes’ health, and for them to communicate with each other. The app requires users to enter their body temperature, medications, passport details, travel plans, and even respiratory symptoms each day during the two-week run up to the Games. Once in Beijing, Olympians will use the app as a chat messenger service, language translator, timetable, transport info hub, and to update on their health status. None of this information, however, will be secure. Citizen Lab, a human-rights based...