AC-4(25)—Data Sanitization
>Control Description
When transferring information between different security domains, sanitize data to minimize ☑delivery of malicious content, command and control of malicious code, malicious code augmentation, and steganography encoded data; spillage of sensitive information in accordance with ⚙organization-defined policy.
>Cross-Framework Mappings
>Supplemental Guidance
Data sanitization is the process of irreversibly removing or destroying data stored on a memory device (e.g., hard drives, flash memory/solid state drives, mobile devices, CDs, and DVDs) or in hard copy form.
>Related Controls
>Assessment Interview Topics
Questions assessors commonly ask
Process & Governance:
- •What formal policies and procedures govern the implementation of AC-4(25) (Data Sanitization)?
- •Who are the designated roles responsible for implementing, maintaining, and monitoring AC-4(25)?
- •How frequently is the AC-4(25) policy reviewed and updated, and what triggers policy changes?
- •What training or awareness programs ensure personnel understand their responsibilities related to AC-4(25)?
Technical Implementation:
- •Describe the specific technical mechanisms or controls used to enforce AC-4(25) requirements.
- •What automated tools, systems, or technologies are deployed to implement AC-4(25)?
- •How is AC-4(25) integrated into your system architecture and overall security posture?
- •What configuration settings, parameters, or technical specifications enforce AC-4(25) requirements?
Evidence & Documentation:
- •What documentation demonstrates the complete implementation of AC-4(25)?
- •What audit logs, records, reports, or monitoring data validate AC-4(25) compliance?
- •Can you provide evidence of periodic reviews, assessments, or testing of AC-4(25) effectiveness?
- •What artifacts would you present during a FedRAMP assessment to demonstrate AC-4(25) compliance?
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