Multipurpose concealed intrusion detection is a term used to describe a security system that can detect unauthorized access to a restricted area or property. It includes various sensors and cameras that are strategically placed to pick up any suspicious activity. Synonyms for this term include security surveillance, perimeter protection, intruder alarms, and trespassing detection. The purpose of these systems is to ensure safety and security against any possible threat. They are widely used in commercial, industrial, and residential settings to monitor any unauthorized access and alert the property owners or security personnel. With advancing technology, new types of intrusion detection systems are being developed to enhance safety and protection.