Access Control

Access Control

Access control is a selective restriction of access to individual or persons to a place or a computer system network.  The access may be to use, consume or enter the computer system network.  Authorization means permission to access or use a resource.  There are two main sorts of access control, physical and logical.  Physical access control restricts the access to campuses, buildings, or rooms.  Logical access restrains the access to computer system network and data.  With the assistance of login credentials, the access control system recognizes the individuals and gives endorsement and clearance.  The login credentials include user ID and password, biometric system, etc.

There are four primary classifications of access control.

Mandatory Access Control (MAC): MAC is a type of access control in which the administrator can only deal the access control.  The administrator determines and manages the usage and access policy, which cannot be modified or changed by users.  The access policy will indicate who and which programs and files to be accessed.  MAC is often used in government and military facilities.  It is the highest level of access control.  MAC is most often used in systems where priority is placed on confidentiality.

Discretionary Access Control (DAC): It makes the owner of an instrument to manage the access control.

Role-based Access Control:  It is a type of strategy controlling the access to a computer network resource for the individuals based on their roles within the organization.  It is a Non-discretionary Access Control.

Rule-based Access Control: In this type of access control, the access denied or admitted to the resource is based on a set of rules, which determined by system administrator.

Uses of the Time and Attendance Systems

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