SC-49

Requirement

Implement hardware-enforced separation and policy enforcement mechanisms between [Assignment: organization-defined security domains].

Discussion

System owners may require additional strength of mechanism and robustness to ensure domain separation and policy enforcement for specific types of threats and environments of operation. Hardware-enforced separation and policy enforcement provide greater strength of mechanism than software-enforced separation and policy enforcement.

NIST 800-53A Assessment Guidance

Examine

[SELECT FROM: System and communications protection policy; procedures addressing cross-domain policy enforcement; system design documentation; system configuration settings and associated documentation; system audit records; system security plan; other relevant documents or records].

Interview

[SELECT FROM: System/network administrators; organizational personnel with information security responsibilities; organizational personnel installing, configuring, and/or maintaining the system].

Test

[SELECT FROM: Mechanisms supporting and/or implementing hardware-enforced security domain separation and policy enforcement].

ID	Assessment Objectives
SC-49	hardware-enforced separation and policy enforcement mechanisms are implemented between <SC-49_ODP security domains>.

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