In this course you will learn how to do the mathematics of data communications and data storage by using Scientific Notebook to do the messy calculations.
Cryptology is the study of data security.
Or consider a political crises in a remote region of the world. It is vital that sensitive issues be discussed with government leaders back home. The crises could be blown out of control if these conversations were intercepted by some third party. The messages must be bounced off of satellites and the signals can be captured by anyone with a simple satellite dish. Issues of data integrity are handled by error-control codes.