AC-2(9)—Account Management | Restrictions on Use of Shared and Group Accounts
IL4 Mod
IL4 High
IL5
IL6
>Control Description
Only permit the use of shared and group accounts that meet ⚙organization-defined conditions for establishing shared and group accounts.
>DoD Impact Level Requirements
FedRAMP Parameter Values
AC-2 (9) [organization-defined need with justification statement that explains why such accounts are necessary]
Additional Requirements and Guidance
AC-2 (9) Requirement: Required if shared/group accounts are deployed
>Discussion
Before permitting the use of shared or group accounts, organizations consider the increased risk due to the lack of accountability with such accounts.
>Assessment Interview Topics
Questions assessors commonly ask
Process & Governance:
- •What formal policies and procedures govern the implementation of AC-2(9) (Restrictions On Use Of Shared And Group Accounts)?
- •Who are the designated roles responsible for implementing, maintaining, and monitoring AC-2(9)?
- •How frequently is the AC-2(9) policy reviewed and updated, and what triggers policy changes?
- •What training or awareness programs ensure personnel understand their responsibilities related to AC-2(9)?
Technical Implementation:
- •Describe the specific technical mechanisms or controls used to enforce AC-2(9) requirements.
- •What automated tools, systems, or technologies are deployed to implement AC-2(9)?
- •How is AC-2(9) integrated into your system architecture and overall security posture?
- •What configuration settings, parameters, or technical specifications enforce AC-2(9) requirements?
Evidence & Documentation:
- •What documentation demonstrates the complete implementation of AC-2(9)?
- •What audit logs, records, reports, or monitoring data validate AC-2(9) compliance?
- •Can you provide evidence of periodic reviews, assessments, or testing of AC-2(9) effectiveness?
- •What artifacts would you present during a FedRAMP assessment to demonstrate AC-2(9) compliance?
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