Similar Principles
The Trusted Computer System Evaluation Criteria (TCSEC) concept of trusted computing base (TCB) minimization is a far more stringent requirement that is only applicable to the functionally strongest assurance classes, viz., B3 and A1 (which are evidentiarily different but functionally identical).
Least privilege is often associated with privilege bracketing: that is, assuming necessary privileges at the last possible moment and dismissing them as soon as no longer strictly necessary, therefore ostensibly avoiding fallout from erroneous code that unintentionally exploits more privilege than is merited. Least privilege has also been interpreted in the context of distribution of discretionary access control (DAC) permissions, for example asserting that giving user U read/write access to file F violates least privilege if U can complete his authorized tasks with only read permission.
Read more about this topic: Principle Of Least Privilege
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