Logical security deals with the software and data of a system while physical security is related to the hardware. To protect the logical systems the hardware must be physically secure. This comes about in restricting access to server rooms, even if such a simple addition as a lock and key. Protecting the system from all [...]
Logical security protects computer software by discouraging user excess by implementing user identifications, passwords, authentication, biometrics and smartcards. 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 [...]