Subcategory of security systems for detecting unauthorized intrusion and theft in manufacturing sites, factories, warehouses, and business facilities. Composed of various detection devices including infrared sensors, microwave sensors, image analysis sensors, vibration detection sensors, magnetic sensors, along with control panels and alarm systems. Used for theft prevention of manufacturing equipment and raw materials, early detection of suspicious intruders during unmanned periods at night and holidays, and access control management for critical areas. Unlike security camera systems or access control systems, this is a dedicated system that detects and alerts physical intrusion acts themselves. Handles industrial intrusion detection equipment designed for manufacturing-specific security requirements such as factory perimeter security, warehouse internal traffic monitoring, and intrusion prevention for hazardous material storage areas.