AC-4(20): Approved Solutions
Control Family:
Parent Control:
Threats Addressed:
Baselines:
(Not part of any baseline)
Previous Version:
- NIST Special Publication 800-53 Revision 4:
- AC-4(20): Approved Solutions
Control Statement
Employ [Assignment: organization-defined solutions in approved configurations] to control the flow of [Assignment: organization-defined information] across security domains.
Supplemental Guidance
Organizations define approved solutions and configurations in cross-domain policies and guidance in accordance with the types of information flows across classification boundaries. The National Security Agency (NSA) National Cross Domain Strategy and Management Office provides a listing of approved cross-domain solutions. Contact ncdsmo@nsa.gov for more information.