The principle of least privilege (POLP), also named the “principle of least authority” (POLA) or “the principle of minimal privilege” (POMP), stands for a cybersecurity best practice based upon granting the minimum required access that a user needs to perform an assigned task. Contrary to popular belief, POLP does not cover only active entities but also passive entities such as processes, systems, and files, in other words, nonuser entities.
Source: Heimdal Security Blog