AC-4(23)—Modify Non-Releasable Information
>Control Description
When transferring information between different security domains, modify non-releasable information by implementing ⚙organization-defined modification action.
>Supplemental Guidance
Modifying non-releasable information can help prevent a data spill or attack when information is transferred across security domains. Modification actions include masking, permutation, alteration, removal, or redaction.
>Assessment Interview Topics
Questions assessors commonly ask
Process & Governance:
- •What formal policies and procedures govern the implementation of AC-4(23) (Modify Non-Releasable Information)?
- •Who are the designated roles responsible for implementing, maintaining, and monitoring AC-4(23)?
- •How frequently is the AC-4(23) policy reviewed and updated, and what triggers policy changes?
- •What training or awareness programs ensure personnel understand their responsibilities related to AC-4(23)?
Technical Implementation:
- •Describe the specific technical mechanisms or controls used to enforce AC-4(23) requirements.
- •What automated tools, systems, or technologies are deployed to implement AC-4(23)?
- •How is AC-4(23) integrated into your system architecture and overall security posture?
- •What configuration settings, parameters, or technical specifications enforce AC-4(23) requirements?
Evidence & Documentation:
- •What documentation demonstrates the complete implementation of AC-4(23)?
- •What audit logs, records, reports, or monitoring data validate AC-4(23) compliance?
- •Can you provide evidence of periodic reviews, assessments, or testing of AC-4(23) effectiveness?
- •What artifacts would you present during a FedRAMP assessment to demonstrate AC-4(23) compliance?
Ask AI
Configure your API key to use AI features.