Perhaps at a university where all students in the same class need to SSH to the same place, possibly from the same set of lab machines. A poorly configured sshd could allow some students to DoS other students.
This might be similar to the workplace scenario that you have in mind, but some students are more bold in trying dodgy things with their class accounts, because they know they probably won't get in big trouble at an university.
This might be similar to the workplace scenario that you have in mind, but some students are more bold in trying dodgy things with their class accounts, because they know they probably won't get in big trouble at an university.