AC-19(4)—Access Control for Mobile Devices | Restrictions for Classified Information
IL6
>Control Description
(a) Prohibit the use of unclassified mobile devices in facilities containing systems processing, storing, or transmitting classified information unless specifically permitted by the authorizing official; and
(b) Enforce the following restrictions on individuals permitted by the authorizing official to use unclassified mobile devices in facilities containing systems processing, storing, or transmitting classified information:
(1) Connection of unclassified mobile devices to classified systems is prohibited;
(2) Connection of unclassified mobile devices to unclassified systems requires approval from the authorizing official;
(3) Use of internal or external modems or wireless interfaces within the unclassified mobile devices is prohibited; and
(4) Unclassified mobile devices and the information stored on those devices are subject to random reviews and inspections by ⚙organization-defined security officials, and if classified information is found, the incident handling policy is followed.
(c) Restrict the connection of classified mobile devices to classified systems in accordance with ⚙organization-defined security policies.
>DoD Impact Level Requirements
No specific parameter values or requirements for this impact level.
>Discussion
None.
>Related Controls
>Assessment Interview Topics
Questions assessors commonly ask
Process & Governance:
- •What formal policies and procedures govern the implementation of AC-19(4) (Restrictions For Classified Information)?
- •Who are the designated roles responsible for implementing, maintaining, and monitoring AC-19(4)?
- •How frequently is the AC-19(4) policy reviewed and updated, and what triggers policy changes?
- •What training or awareness programs ensure personnel understand their responsibilities related to AC-19(4)?
Technical Implementation:
- •Describe the specific technical mechanisms or controls used to enforce AC-19(4) requirements.
- •What automated tools, systems, or technologies are deployed to implement AC-19(4)?
- •How is AC-19(4) integrated into your system architecture and overall security posture?
- •What configuration settings, parameters, or technical specifications enforce AC-19(4) requirements?
Evidence & Documentation:
- •What documentation demonstrates the complete implementation of AC-19(4)?
- •What audit logs, records, reports, or monitoring data validate AC-19(4) compliance?
- •Can you provide evidence of periodic reviews, assessments, or testing of AC-19(4) effectiveness?
- •What artifacts would you present during a FedRAMP assessment to demonstrate AC-19(4) compliance?
Ask AI
Configure your API key to use AI features.