When an application is developed, we need to consider enforcing security controls at each layer of the application's architecture.
Mobile apps such as social networking, banking, and entertainment apps contain a lot of functionality that requires Internet communication, and so most of the mobile apps today have typical client-server architecture as shown in the diagram below. When understanding the attack surface for these kinds of apps, it is required to consider all the possibilities of the application, which includes the client application, API backend, server related vulnerabilities, and the database. An entry point at any of these places may cause a threat to the whole application/its data. For illustration, assume that we have an Android app connecting to its server using the backend API, which in turn interacts with its database:
It is recommended to follow the Secure SDLC process while developing software. Many organizations...