IA-13(2)—Verification Of Identity Assertions And Access Tokens
>Control Description
The source and integrity of identity assertions and access tokens are verified before granting access to system and information resources.
>Supplemental Guidance
This includes verification of digital signatures protecting identity assertions and access tokens, as well as included metadata. Metadata includes information about the access request such as information unique to user, system or information resource being accessed, or the transaction itself such as time. Protected system and information resources could include connected networks, applications, and APIs.
>Assessment Interview Topics
Questions assessors commonly ask
Process & Governance:
- •What formal policies and procedures govern the implementation of IA-13(2) (Verification Of Identity Assertions And Access Tokens)?
- •Who are the designated roles responsible for implementing, maintaining, and monitoring IA-13(2)?
- •How frequently is the IA-13(2) policy reviewed and updated, and what triggers policy changes?
- •What governance structure ensures IA-13(2) requirements are consistently applied across all systems?
Technical Implementation:
- •Describe the specific technical mechanisms or controls used to enforce IA-13(2) requirements.
- •What automated tools, systems, or technologies are deployed to implement IA-13(2)?
- •How is IA-13(2) integrated into your system architecture and overall security posture?
- •What configuration settings, parameters, or technical specifications enforce IA-13(2) requirements?
Evidence & Documentation:
- •What documentation demonstrates the complete implementation of IA-13(2)?
- •What audit logs, records, reports, or monitoring data validate IA-13(2) compliance?
- •Can you provide evidence of periodic reviews, assessments, or testing of IA-13(2) effectiveness?
- •What artifacts would you present during a FedRAMP assessment to demonstrate IA-13(2) compliance?
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