NTA-NET (UGC-NET) Computer Science & Applications (87) Computer Structure and Organisation-Security Study Material (Page 1 of 17)

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Access Matrix: Contents of the Access Control Matrix, Implementation of Access Matrix

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Access Matrix

We have written two names under the “subtopic” heading because it is almost impossible to differentiate these two concepts while trying to cover this topic.

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 respe…

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Access Control

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Access Control

The concept which is of interest to us is the Role-Based Access Control, RBAC, assigns privileges to users, programs, or roles as appropriate, where “privileges” refer to the right to call certain system calls, or to use certain parameters with those calls.

Role-based access …

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