The UK accidentally left secret plans for its COVID-19 contact-tracing app on an open Google Drive: The app is not yet fully live, and is being tested on the Isle of Wight...future versions of the app might ask for more data, track geolocation, and allow people to set a "COVID-19 status."

https://www.reddit.com/r/worldnews/comments/gjf7i5/the_uk_accidentally_left_secret_plans_for_its/

https://www.businessinsider.com/uk-leaves-plans-contact-tracing-app-open-google-drive-2020-5