SA-9 (02)—External System Services | Identification of Functions, Ports, Protocols, and Services
Moderate
High
>Control Description
Require providers of the following external system services to identify the functions, ports, protocols, and other services required for the use of such services: ⚙organization-defined external system services.
>FedRAMP Baseline Requirements
Parameter Values
>Discussion
Information from external service providers regarding the specific functions, ports, protocols, and services used in the provision of such services can be useful when the need arises to understand the trade-offs involved in restricting certain functions and services or blocking certain ports and protocols.
>Assessment Interview Topics
Questions assessors commonly ask
Process & Governance:
- •What acquisition policies and procedures address the requirements of SA-9(2)?
- •How are security and privacy requirements integrated into the acquisition process?
- •Who is responsible for ensuring that acquisitions comply with SA-9(2)?
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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