ComputingCybersecurityAccess ManagementSecurity ArchitectureAccess ControlAccess PolicyAuthorizationPolicy-based Access ControlPrivilege ManagementSecurity ControlsAccess Control ArchitectureAdaptive Access ControlAdaptive Access ManagementContext-aware AuthorizationDynamic Access ControlPolicy Models
Context-aware access control systems should reactively adapt access control decisions to dynamic environmental conditions. In this paper we present an extension of the TRBAC model that allows the specification and enforcement of general reactive policies. Then we extend XACML to support the new model, and illustrate a prototype implementation of the PDP.
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