Hardening systems focus on improving the security of hosts and nodes by reducing the attack surface of a potential target by removing unnecessary components and adding in protections.

For your initial post, provide and explain/defend 3 top priority recommendations to improve security or harden a school network. As an example, take "remove all unnecessary protocols" as a recommendation. You need to be more specific in terms of (1) what protocols you would remove and (2) why that protocol is unnecessary for a university to use