Physical and Logical Security

Security can be broken down into two distinct areas: physical security and logical security. Physical security refers to the issues related to the physical security of the equipment that comprises or is connected to the network. Physical security includes controlling access to equipment, supervising visitors, and enforcing the security measures that are in place, to control physical access to areas that contain networking equipment.

Logical security is concerned with security of data while it is on the systems that are connected to the network. Logical security involves controlling passwords and password policies, controlling access to data on servers through file system security, controlling access to backup tapes, ...

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