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Role-based access control is a policy-neutral access control mechanism defined around roles and privileges. The components of RBAC such as role-permissions, user-role and role-role relationships make it simple to perform user assignments. A study by NIST has demonstrated that RBAC addresses many needs of commercial and government organizations. [4]
Graph-based access control (GBAC) is a declarative way to define access rights, task assignments, recipients and content in information systems. Access rights are granted to objects like files or documents, but also business objects such as an account.
The NIST RBAC model is a standardized definition of role-based access control. Although originally developed by the National Institute of Standards and Technology , the standard was adopted and is copyrighted and distributed as INCITS 359-2004 by the International Committee for Information Technology Standards (INCITS).
In contrast to role-based access control (RBAC), which defines roles that carry a specific set of privileges associated with them and to which subjects are assigned, [4] ReBAC (like ABAC [5]), allows defining more fine-grained permissions. [4]
RSBAC means "ruleset based access control" and is also a role-based access control solution. The two acronyms can cause confusion. The two acronyms can cause confusion. In his essay "Rule Set Modeling of a Trusted Computer System", Leonard LaPadula describes how the Generalized Framework for Access Control (GFAC) approach could be implemented ...
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