IA-3(4)—Device Attestation
>Control Description
Handle device identification and authentication based on attestation by ⚙organization-defined configuration management process.
>Cross-Framework Mappings
>Supplemental Guidance
Device attestation refers to the identification and authentication of a device based on its configuration and known operating state. Device attestation can be determined via a cryptographic hash of the device. If device attestation is the means of identification and authentication, then it is important that patches and updates to the device are handled via a configuration management process such that the patches and updates are done securely and do not disrupt identification and authentication to other devices.
>Related Controls
>Assessment Interview Topics
Questions assessors commonly ask
Process & Governance:
- •What formal policies and procedures govern the implementation of IA-3(4) (Device Attestation)?
- •Who are the designated roles responsible for implementing, maintaining, and monitoring IA-3(4)?
- •How frequently is the IA-3(4) policy reviewed and updated, and what triggers policy changes?
- •What governance structure ensures IA-3(4) requirements are consistently applied across all systems?
Technical Implementation:
- •Describe the specific technical mechanisms or controls used to enforce IA-3(4) requirements.
- •What automated tools, systems, or technologies are deployed to implement IA-3(4)?
- •How is IA-3(4) integrated into your system architecture and overall security posture?
- •What configuration settings, parameters, or technical specifications enforce IA-3(4) requirements?
Evidence & Documentation:
- •What documentation demonstrates the complete implementation of IA-3(4)?
- •What audit logs, records, reports, or monitoring data validate IA-3(4) compliance?
- •Can you provide evidence of periodic reviews, assessments, or testing of IA-3(4) effectiveness?
- •What artifacts would you present during a FedRAMP assessment to demonstrate IA-3(4) compliance?
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