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Logical security protects computer software by discouraging user excess by implementing user identifications, passwords, authentication, biometrics and smart cards. Physical security prevents and discourages attackers from entering a building by installing fences, alarms, cameras, security guards and dogs, electronic access control, intrusion detection and administration access controls. The difference between logical security and physical security is logical security protects access to computer systems and physical security protects the site and everything located within the site.
Logical Security is related to software and ip network security.
physical sycurity is related to systems like road blocker , intrusion system . CCTV etc