SA-10(5)—Mapping Integrity For Version Control
>Control Description
Require the developer of the system, system component, or system service to maintain the integrity of the mapping between the master build data describing the current version of security-relevant hardware, software, and firmware and the on-site master copy of the data for the current version.
>Supplemental Guidance
Mapping integrity for version control addresses changes to hardware, software, and firmware components during both initial development and system development life cycle updates. Maintaining the integrity between the master copies of security-relevant hardware, software, and firmware (including designs, hardware drawings, source code) and the equivalent data in master copies in operational environments is essential to ensuring the availability of organizational systems that support critical mission and business functions.
>Assessment Interview Topics
Questions assessors commonly ask
Process & Governance:
- •What acquisition policies and procedures address the requirements of SA-10(5)?
- •How are security and privacy requirements integrated into the acquisition process?
- •Who is responsible for ensuring that acquisitions comply with SA-10(5)?
- •How is security integrated throughout your system development lifecycle (SDLC)?
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?
- •What security practices are required at each phase of the SDLC?
- •What secure coding practices and standards are required for developers?
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?
- •Can you show evidence of security activities performed during development?
- •Can you provide code review or static analysis results?
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