AC-20 (02)—Use of External Systems | Portable Storage Devices -- Restricted Use
Moderate
High
>Control Description
Restrict the use of organization-controlled portable storage devices by authorized individuals on external systems using ⚙organization-defined restrictions.
>FedRAMP Baseline Requirements
No FedRAMP-specific parameter values or requirements for this baseline.
>Discussion
Limits on the use of organization-controlled portable storage devices in external systems include restrictions on how the devices may be used and under what conditions the devices may be used.
>Assessment Interview Topics
Questions assessors commonly ask
Process & Governance:
- •What formal policies and procedures govern the implementation of AC-20(2) (Portable Storage Devices -- Restricted Use)?
- •Who are the designated roles responsible for implementing, maintaining, and monitoring AC-20(2)?
- •How frequently is the AC-20(2) policy reviewed and updated, and what triggers policy changes?
- •What training or awareness programs ensure personnel understand their responsibilities related to AC-20(2)?
Technical Implementation:
- •Describe the specific technical mechanisms or controls used to enforce AC-20(2) requirements.
- •What automated tools, systems, or technologies are deployed to implement AC-20(2)?
- •How is AC-20(2) integrated into your system architecture and overall security posture?
- •What configuration settings, parameters, or technical specifications enforce AC-20(2) requirements?
Evidence & Documentation:
- •What documentation demonstrates the complete implementation of AC-20(2)?
- •What audit logs, records, reports, or monitoring data validate AC-20(2) compliance?
- •Can you provide evidence of periodic reviews, assessments, or testing of AC-20(2) effectiveness?
- •What artifacts would you present during a FedRAMP assessment to demonstrate AC-20(2) compliance?
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