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In computer security, general access control includes identification, authorization, authentication, access approval, and audit.A more narrow definition of access control would cover only access approval, whereby the system makes a decision to grant or reject an access request from an already authenticated subject, based on what the subject is authorized to access.
A sailor checks an identification card (ID) before allowing a vehicle to enter a military installation. In physical security and information security, access control ( AC) is the selective restriction of access to a place or other resource, while access management describes the process. The act of accessing may mean consuming, entering, or ...
In computer systems security, role-based access control ( RBAC) [1] [2] or role-based security [3] is an approach to restricting system access to authorized users, and to implementing mandatory access control (MAC) or discretionary access control (DAC). Role-based access control is a policy-neutral access control mechanism defined around roles ...
The computer security software products industry was launched in the second half of the 1970s when computer firms and new IT startups chose alternative paths to offer commercial access control systems to organizational mainframe computer users. These developments were led by IBM's Resource Access Control Facility and SKK's Access Control ...
Without logical access control security systems highly confidential information would be at risk of exposure. There is a wide range of biometric security devices and software available for different levels of security needs. There are very large complex biometric systems for large networks that require absolute airtight security and there are ...
Access control matrix. In computer science, an access control matrix or access matrix is an abstract, formal security model of protection state in computer systems, that characterizes the rights of each subject with respect to every object in the system. It was first introduced by Butler W. Lampson in 1971. [1]
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