CP-11—Alternate Communications Protocols
>Control Description
Provide the capability to employ ⚙organization-defined alternative communications protocols in support of maintaining continuity of operations.
>Cross-Framework Mappings
>Supplemental Guidance
Contingency plans and the contingency training or testing associated with those plans incorporate an alternate communications protocol capability as part of establishing resilience in organizational systems. Switching communications protocols may affect software applications and operational aspects of systems. Organizations assess the potential side effects of introducing alternate communications protocols prior to implementation.
>Related Controls
>Assessment Interview Topics
Questions assessors commonly ask
Process & Governance:
- •What formal policies and procedures govern the implementation of CP-11 (Alternate Communications Protocols)?
- •Who are the designated roles responsible for implementing, maintaining, and monitoring CP-11?
- •How frequently is the CP-11 policy reviewed and updated, and what triggers policy changes?
- •What governance structure ensures CP-11 requirements are consistently applied across all systems?
Technical Implementation:
- •Describe the specific technical mechanisms or controls used to enforce CP-11 requirements.
- •What automated tools, systems, or technologies are deployed to implement CP-11?
- •How is CP-11 integrated into your system architecture and overall security posture?
- •What configuration settings, parameters, or technical specifications enforce CP-11 requirements?
Evidence & Documentation:
- •What documentation demonstrates the complete implementation of CP-11?
- •What audit logs, records, reports, or monitoring data validate CP-11 compliance?
- •Can you provide evidence of periodic reviews, assessments, or testing of CP-11 effectiveness?
- •What artifacts would you present during a FedRAMP assessment to demonstrate CP-11 compliance?
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