Another way to track and view cases of COVID-19 in your local area has arrived free on the App Store. COVID Nearby can be launched on the iPhone or iPad to log coronavirus symptoms and test results. Privacy is guaranteed thanks to differential privacy, a method which keeps users anonymous and reports secure. The project has been developed at Rutgers, The State University of New Jersey with support from the National Science Foundation and the National Institutes of Health.
The ability to synch your Messages (as well as numerous other services) across multiple Apple devices is undoubtably a huge convenience, but also one that could lead to a serious breach of privacy. Obviously nobody wants their private messages accessible to friends, family and co-workers. If you are the type to have your text messages arrive on every Mac that you use, you might want to check which ones you are logged into, as you wouldn't want your messages popping up on a Mac that you share with a roommate, or on an iPad that you left at a friend's house.
New features are continually developed for the secure messaging service Signal. The app is knows for its focus on privacy, with end-to-end encryption powered by the open source Signal Protocol. Every message and call is protected from view, except on the intended receiver's device. Android users have had a built-in backup feature for some time.