03.01.05—Least Privilege
>Control Description
Allow only authorized system access for users (or processes acting on behalf of users) that is necessary to accomplish assigned organizational tasks. Authorize access to ⚙organization-defined security functions and ⚙organization-defined security-relevant information. Review the privileges assigned to roles or classes of users ⚙organization-defined frequency to validate the need for such privileges. Reassign or remove privileges, as necessary.
>Assessment Interview Topics
Questions assessors commonly ask
Process & Governance:
- •What documented policies and procedures address 03.01.05?
- •Who is accountable for implementing and maintaining 03.01.05 controls?
- •How frequently are 03.01.05 requirements reviewed, and what triggers updates?
- •What process ensures changes to systems maintain compliance with 03.01.05 requirements?
- •How are exceptions to 03.01.05 requirements documented and approved?
Technical Implementation:
- •What technical controls enforce 03.01.05 in your environment?
- •How are 03.01.05 controls configured and maintained across all systems?
- •What automated mechanisms support 03.01.05 compliance?
- •How do you validate that 03.01.05 implementations achieve their intended security outcome?
- •What compensating controls exist if primary 03.01.05 controls cannot be fully implemented?
Evidence & Documentation:
- •What documentation proves 03.01.05 is implemented and operating effectively?
- •Can you provide configuration evidence showing how 03.01.05 is technically enforced?
- •What audit logs or monitoring data demonstrate ongoing 03.01.05 compliance?
- •Can you show evidence of a recent review or assessment of 03.01.05 controls?
- •What artifacts would you provide during an assessment to demonstrate 03.01.05 compliance?
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