NIST800-AC-21 AC-21 Information Sharing
NIST800-AC-21 in NIST SP 800-53 Rev 5 (NIST SP 800-53 Rev 5, Release 5.2.0). All NIST SP 800-53 Rev 5 controls held. Open NIST SP 800-53 Rev 5 on the standards site.
The control as we hold it
AC-21 Information Sharing. a. Enable authorized users to determine whether access authorizations assigned to a sharing partner match the information’s access and use restrictions for [Assignment: organization-defined information sharing circumstances where user discretion is required]; and b. Employ [Assignment: organization-defined automated mechanisms or manual processes] to assist users in making information sharing and collaboration decisions.
Reviewed and closest counterparts in the other frameworks
Reviewed rows come from a released pair; a closest match is the nearest held text and is not a reviewed row.
SOC 2
- SOC2-CC5.2 CC5.2 General controls over technology (COSO principle 11) (closest match)
- SOC2-CC6.2 CC6.2 Registering and authorising users before issuing credentials (closest match)
- SOC2-CC6.3 CC6.3 Role-based access, least privilege and segregation of duties (closest match)
- SOC2-P5.1 P5.1 Data subject access (closest match)
- SOC2-P6.1 P6.1 Disclosure to third parties with consent (closest match)
- SOC2-P6.4 P6.4 Privacy commitments from vendors and third parties (closest match)
What an auditor commonly asks for
General guidance for this control area (domain: AC - Access Control), in our words, not a statement of the standard and not binding on an assessor.
- the access-control policy and procedures
- the account-management and privilege records
- the periodic access-review output