A procedure or technique to ensure that information transfers within a system are not made from one security level to another security level, and especially not from a higher level to a lower level. [Denns] (See: covert channel, confinement property, information flow policy, simple security property.)
A procedure or technique to ensure that information transfers within a system are not made from one security level to another security level, and especially not from a higher level to a lower level. [Denns] (See: covert channel, confinement property, information flow policy, simple security property.)
"A concept requiring that information transfers within a system be controlled so that information in certain types of objects cannot, via any channel within the system, flow to certain other types of objects." [NCSSG]