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Security is the resilience to or protection from potential harm or undesirable coercive action from external forces. Security forces, security cameras, cyber security systems, security guards and remote guarding are systems, and organizations of personnel and accessories that provide security. Home security systems such as alarm systems, doors, locks, fencing and lighting are installed on a dwelling for protection of inhabitants from unwanted intrusions, property damage and loss. A security alarm system may also be integrated with a CCTV system to record intruder activities and acts as an interface to allow communication between a monitoring system and the panel. Security cameras monitor events, processes and movement with motion detection and email alert features. Security guards are employed by public or private institutions for protecting assets such as people, property, money and equipment from various hazards through regular patrols, monitoring video surveillance cameras, alarm systems, etc. Some commonly employed security personnel are bouncers, bodyguards, hospital security officers, crime prevention officers, alarm responders, private patrol officers, etc. This textbook provides comprehensive insights into the field of security and security services. It discusses the career opportunities in the provision of security in residential, industrial, private and public arenas.
