The intent of least privilege is to enforce the most restrictive user rights required

A.
To execute system processes.

B.
By their job description.

C.
To execute authorized tasks.

D.
By their security role.

Explanation:
Least Privilege; the security principle that requires each subject to be granted the
most restrictive set of privileges needed for the performance of authorized tasks. The application
of this principle limits the damage that can result from accident, error, or unauthorized. – Shon
Harris All-in-one CISSP Certification Guide pg 933