Contact Tracing apps alerts others (as well as the Government) that they may have been in contact with people carrying/infected with the Virus. Many Countries has released official apps for contact tracing. Lets see how it works and what are the security and privacy concerns with it. In this post, i specifically compares India's Arogya Setu contact tracing app with other Nation's contact tracing applications. How it works? The app can be download from the App/Play store. User has to manually install this.All these contact tracing app uses a set of permissions such as Bluetooth, storage, network access etc. However it primarily make use of Bluetooth Low Energy (BLE) protocol for contact tracing. It tries to measures how far you are from the other person( Usually 1.5 meters). The application checks and connect with other mobile phones installed with the application over Bluetooth. This data will be stored on the phones. This depends and differs on applications. for example UK...
Scribbled by Jithin Alex.