Chicago/Illinois Security Guard PERC Practice Exam 2026 - Free Security Guard PERC Practice Questions and Study Guide

A significant distinction between a security officer and a police officer lies in the scope of authority and responsibility each holds. Security officers typically operate within the confines of private property and are tasked with ensuring safety, preventing theft, and addressing disturbances. Their authority is generally limited to the premises they are assigned to, meaning they cannot enforce laws outside their designated areas or take actions that exceed their specific job responsibilities.

In contrast, police officers are empowered by the government to enforce laws, conduct investigations, and make arrests across public spaces. They have broader jurisdiction and the legal authority to respond to various criminal activities, conduct traffic enforcement, and handle emergencies throughout their communities.

Understanding this differentiation in authority helps clarify the specific roles both professionals play in maintaining safety and security within society. The limitations placed on security officers ensure they function in a supportive capacity to law enforcement rather than a replacement or legal equivalent.