SA-9(7)—External System Services | Organization-controlled Integrity Checking
IL4 Mod
IL4 High
IL5
IL6
>Control Description
Provide the capability to check the integrity of information while it resides in the external system.
>DoD Impact Level Requirements
No specific parameter values or requirements for this impact level.
>Discussion
Storage of organizational information in an external system could limit visibility into the security status of its data. The ability of the organization to verify and validate the integrity of its stored data without transferring it out of the external system provides such visibility.
>Related Controls
>Assessment Interview Topics
Questions assessors commonly ask
Process & Governance:
- •What acquisition policies and procedures address the requirements of SA-9(7)?
- •How are security and privacy requirements integrated into the acquisition process?
- •Who is responsible for ensuring that acquisitions comply with SA-9(7)?
Technical Implementation:
- •How are security requirements defined and documented in acquisition contracts?
- •What mechanisms ensure that acquired systems and services meet security requirements?
- •How do you validate that vendors and service providers comply with specified security controls?
Evidence & Documentation:
- •Can you provide examples of acquisition documentation that includes security requirements?
- •What evidence demonstrates that acquired systems meet security specifications?
- •Where is acquisition security documentation maintained throughout the system lifecycle?
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