AC-6(4)—Separate Processing Domains
>Control Description
Provide separate processing domains to enable finer-grained allocation of user privileges.
>Supplemental Guidance
Providing separate processing domains for finer-grained allocation of user privileges includes using virtualization techniques to permit additional user privileges within a virtual machine while restricting privileges to other virtual machines or to the underlying physical machine, implementing separate physical domains, and employing hardware or software domain separation mechanisms.
>Related Controls
>Assessment Interview Topics
Questions assessors commonly ask
Process & Governance:
- •What formal policies and procedures govern the implementation of AC-6(4) (Separate Processing Domains)?
- •Who are the designated roles responsible for implementing, maintaining, and monitoring AC-6(4)?
- •How frequently is the AC-6(4) policy reviewed and updated, and what triggers policy changes?
- •What training or awareness programs ensure personnel understand their responsibilities related to AC-6(4)?
Technical Implementation:
- •Describe the specific technical mechanisms or controls used to enforce AC-6(4) requirements.
- •What automated tools, systems, or technologies are deployed to implement AC-6(4)?
- •How is AC-6(4) integrated into your system architecture and overall security posture?
- •What configuration settings, parameters, or technical specifications enforce AC-6(4) requirements?
Evidence & Documentation:
- •What documentation demonstrates the complete implementation of AC-6(4)?
- •What audit logs, records, reports, or monitoring data validate AC-6(4) compliance?
- •Can you provide evidence of periodic reviews, assessments, or testing of AC-6(4) effectiveness?
- •What artifacts would you present during a FedRAMP assessment to demonstrate AC-6(4) compliance?
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