IA-3(1)—Device Identification and Authentication | Cryptographic Bidirectional Authentication
IL5
IL6
>Control Description
Authenticate ⚙organization-defined devices and/or types of devices before establishing [Selection (one or more): local; remote; network] connection using bidirectional authentication that is cryptographically based.
>DoD Impact Level Requirements
No specific parameter values or requirements for this impact level.
>Discussion
A local connection is a connection with a device that communicates without the use of a network. A network connection is a connection with a device that communicates through a network. A remote connection is a connection with a device that communicates through an external network.
Bidirectional authentication provides stronger protection to validate the identity of other devices for connections that are of greater risk.
>Related Controls
>Assessment Interview Topics
Questions assessors commonly ask
Process & Governance:
- •What formal policies and procedures govern the implementation of IA-3(1) (Cryptographic Bidirectional Authentication)?
- •Who are the designated roles responsible for implementing, maintaining, and monitoring IA-3(1)?
- •How frequently is the IA-3(1) policy reviewed and updated, and what triggers policy changes?
- •What governance structure ensures IA-3(1) requirements are consistently applied across all systems?
Technical Implementation:
- •Describe the specific technical mechanisms or controls used to enforce IA-3(1) requirements.
- •What automated tools, systems, or technologies are deployed to implement IA-3(1)?
- •How is IA-3(1) integrated into your system architecture and overall security posture?
- •What configuration settings, parameters, or technical specifications enforce IA-3(1) requirements?
Evidence & Documentation:
- •What documentation demonstrates the complete implementation of IA-3(1)?
- •What audit logs, records, reports, or monitoring data validate IA-3(1) compliance?
- •Can you provide evidence of periodic reviews, assessments, or testing of IA-3(1) effectiveness?
- •What artifacts would you present during a FedRAMP assessment to demonstrate IA-3(1) compliance?
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