High-priority system
High-priority systems were primary systems aboard Federation starships of greater importance to the operation and function of the vessel, usually done by the crew who possessed a certain level of security clearance.

On the ,  did not have access to these systems in her holoprogram as a training advisor. She insisted that the cadets she instructed would need to operate those systems themselves. They included helm control, shield operation, and access to the tactical station's weapons array. The ability to disable the proto-drive was also considered a high-priority system that required command level authorization. ()

Systems not considered high-priority included access to sanitation subroutines like photonic ship scrubbers and control of the cargo bay doors. ()

Security
Computer technology