IA-2(8)—Identification and Authentication (organizational Users) | Access to Accounts -- Replay Resistant
IL4 Mod
IL4 High
IL5
IL6
>Control Description
Implement replay-resistant authentication mechanisms for access to [Selection (one or more): privileged accounts; non-privileged accounts].
>DoD Impact Level Requirements
FedRAMP Parameter Values
IA-2 (8) [privileged accounts; non-privileged accounts]
>Discussion
Authentication processes resist replay attacks if it is impractical to achieve successful authentications by replaying previous authentication messages. Replay-resistant techniques include protocols that use nonces or challenges such as time synchronous or cryptographic authenticators.
>Programmatic Queries
Beta
Related Services
IAM
AWS KMS
Signature Version 4
CLI Commands
List API keys with age
aws iam list-access-keys --user-name USERNAME --query 'AccessKeyMetadata[*].{AccessKeyId:AccessKeyId,CreateDate:CreateDate}'Enable temporary credentials
aws sts get-session-token --serial-number arn:aws:iam::ACCOUNT:mfa/DEVICE --token-code 123456Check signature version enforcement
aws s3api get-bucket-versioning --bucket BUCKET_NAME>Assessment Interview Topics
Questions assessors commonly ask
Process & Governance:
- •What formal policies and procedures govern the implementation of IA-2(8) (Access To Accounts -- Replay Resistant)?
- •Who are the designated roles responsible for implementing, maintaining, and monitoring IA-2(8)?
- •How frequently is the IA-2(8) policy reviewed and updated, and what triggers policy changes?
- •What governance structure ensures IA-2(8) requirements are consistently applied across all systems?
Technical Implementation:
- •Describe the specific technical mechanisms or controls used to enforce IA-2(8) requirements.
- •What automated tools, systems, or technologies are deployed to implement IA-2(8)?
- •How is IA-2(8) integrated into your system architecture and overall security posture?
- •What configuration settings, parameters, or technical specifications enforce IA-2(8) requirements?
Evidence & Documentation:
- •What documentation demonstrates the complete implementation of IA-2(8)?
- •What audit logs, records, reports, or monitoring data validate IA-2(8) compliance?
- •Can you provide evidence of periodic reviews, assessments, or testing of IA-2(8) effectiveness?
- •What artifacts would you present during a FedRAMP assessment to demonstrate IA-2(8) compliance?
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