An intrusion detection system is a device or software application that monitors a network or systems for malicious activity or policy violations. Intrusion Detection System that can be standalone elements (like a glass-break sensor) or fully incorporated security ecosystems with CCTV cameras and access control.
A modern indoor intrusion detection system for the protection of doors, windows and other structures against opening, burglary, cutting, drilling and breaking through events.
Using outdoor-specific technology can be advantageous when deploying alarm sensors in an effort to push perimeter detection farther from a building.
A perimeter intrusion detection system is a device or sensor that detects the presence of an intruder attempting to breach the physical perimeter of a property, building, or other secured area.