Negative Authorisation
Reflect laws and organisational policies
A- lecturers {strangle} students A- staff {talk} press
Used for revocation of access rights
A- Joe Bloggs {any} StudentFileswhen 1:6:1998 < date < 8:6:1998
Notes:
Wish to suspend student from using computer system for a limited period as a punishment, for doing something they should not do.