The study provides a guide to the technical and technical specifications of various security systems in public and private facilities. As Riyadh city occupies a prominent position in the political, administrative, economic, and social fields, it has become increasingly important to use security surveillance systems to protect property, provide security and monitor the evidence necessary to detect crime and its parties. As the continuous work of surveillance cameras and the continuous recording of all events has a major role in reducing the rate of crimes of all kinds. This study also reviews the main objectives of security systems and the methodology for determining all requirements and technical specifications for security surveillance systems for large, medium, and small enterprises.