DAC, MAC, RBAC, ABAC, are some access controls, discuss each of these policies in great details,...

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DAC, MAC, RBAC, ABAC, are some access controls, discuss each ofthese policies in great details, by describing what they are, wherethey are best used for and an example of their usage. Pleaseprovide about 3/4 of a page details text for each of the accesscontrol. Any drawings and diagrams can be added as well.

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DAC Discretionary access control DAC is a type of security access control that grants or restricts object access via an access policy determined by an objects owner group andor subjects DAC mechanism controls are defined by user identification with supplied credentials during authentication such as username and password DACs are discretionary because the subject owner can transfer authenticated objects or information access to other users In other words the owner determines object access privileges In DAC each system object file or data object has an owner and each initial object owner is the subject that causes its creation Thus an objects access policy is determined by its owner A typical example of DAC is Unix file mode which defines the read write and execute permissions in each of the three bits for each user group and others DAC attributes include User may transfer object ownership to another users User may determine the access type of other users After several attempts authorization failures restrict user access See Answer

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