NIST-AC-4(20) Approved Solutions

Employ [Assignment: solutions in approved configurations] to control the flow of [Assignment: information] across security domains.

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 [[email protected]](mailto:[email protected]) for more information.