• Requirement

    Enforce the revocation of access authorizations resulting from changes to the security attributes of subjects and objects based on [Assignment: organization-defined rules governing the timing of revocations of access authorizations].

  • Discussion

    Revocation of access rules may differ based on the types of access revoked. For example, if a subject (i.e., user or process acting on behalf of a user) is removed from a group, access may not be revoked until the next time the object is opened or the next time the subject attempts to access the object. Revocation based on changes to security labels may take effect immediately. Organizations provide alternative approaches on how to make revocations immediate if systems cannot provide such capability and immediate revocation is necessary.

More Info

  • Title

    Access Enforcement | Revocation of Access Authorizations
  • Family

    Access Control
  • NIST 800-53B Baseline(s)

    • Related NIST 800-53 ID

    NIST 800-53A Assessment Guidance

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