![]() The principal objectives of computer security are to prevent unauthorized users from gaining access to resources, to prevent legitimate users from accessing resources in an unauthorized manner, and to enable legitimate users to access resources in an authorized manner. ITU-T Recommendation X.800 defines access control as shown on the slide. ![]() We can view access control as the central element of computer security. ![]() 1 Computer Security: Principles and PracticeĬhapter 4 – Access Control First Edition by William Stallings and Lawrie Brown Lecture slides by Lawrie Brown Lecture slides prepared by Dr Lawrie Brown for “Computer Security: Principles and Practice”, 1/e, by William Stallings and Lawrie Brown, Chapter 4 “Access Control”.Ģ Access Control “The prevention of unauthorized use of a resource, including the prevention of use of a resource in an unauthorized manner“ central element of computer security assume have users and groups authenticate to system assigned access rights to certain resources on system This lesson focuses on access control enforcement within a computer system. ![]()
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