Security is protection from, or resilience against, potential harm (or other unwanted coercive change) caused by others, by restraining the freedom of others to act. Beneficiaries (technically referents) of security may be of persons and social groups, objects and institutions, ecosystems or any other entity or phenomenon vulnerable to unwanted change.
CCTV
Fire Alarm System
Fire Fighting System
Access Control
Intrusion System
Queue Management
Security Gates
