This is a university. I expect they have a higher than normal proportion of attackers who know the system and exactly how they'd escalate having gained some acc

This is a university. I expect they have a higher than normal proportion of attackers who know the system and exactly how they'd escalate having gained some access, and have the free time to prepare a customized attack. On the other hand, those attackers are probably less malicious than the average Russian ransomware group.