A lecturer Michael wants to transmit exam grades from his home computer to his line manager at the campus. He is worried that some of his students may have hacked a router along the path and might...

A lecturer Michael wants to transmit exam grades from his home computer to his line manager at the campus. He is worried that some of his students may have hacked a router along the path and might modify the message to improve their Exam grade. So the Lecturer contacts you as a security manager for the university to ensure that his message will not be modified during transmission.

4.1.1 Explain in detail the measures you may put in place to eradicate the worries of the concerned lecture