The original formulation is from Jerome Saltzer:
Every program and every privileged user of the system should operate using the least amount of privilege necessary to complete the job.
— Jerome Saltzer, Communications of the ACM

In information security, computer science, and other fields, the principle of least privilege (also known as the principle of minimal privilege or the principle of least authority) requires that in a particular abstraction layer of a computing environment so that every module (such as a process, a user, or a program, depending on the subject) must be able to access only the information and resources that are necessary for its legitimate purpose.

Principle of least privilege is closely related to other efforts such as:

Principle of least privilege should be considered as a Law when designing any system.

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« This page (revision-7) was last changed on 20-Jan-2016 13:47 by jim