Computer Security Resource Center

Computer Security Resource Center

Computer Security
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role-based access control (RBAC)

Abbreviation(s) and Synonym(s): Definition(s):

  Access control based on user roles (i.e., a collection of access authorizations a user receives based on an explicit or implicit assumption of a given role). Role permissions may be inherited through a role hierarchy and typically reflect the permissions needed to perform defined functions within an organization. A given role may apply to a single individual or to several individuals.
CNSSI 4009-2015 (NIST SP 800-53 Rev. 4)
NIST SP 800-53 Rev. 4 under Role-Based Access Control

  A model for controlling access to resources where permitted actions on resources are identified with roles rather than with individual subject identities.
NIST SP 800-95 under Role Based Access Control (RBAC) (OASIS XACML Profile for Role Based Access Control (RBAC))

  mapped to job function, assumes that a person will take on different roles, overtime, within an organization and different responsibilities in relation to IT systems.
NIST SP 800-16 under Role-Based