What this requirement asks
Limit system access to the types of transactions and functions that authorized users are permitted to execute.
This is a CMMC Level 2 requirement in the Access Control family, drawn from NIST SP 800-171 Rev. 2. An assessor evaluates it objective by objective — every objective below must be supported by evidence, not just described in a policy.
Assessment objectives (2)
- 3.1.2[a] — the types of transactions and functions that authorized users are permitted to execute are defined
- 3.1.2[b] — system access is limited to the defined types of transactions and functions for authorized users
What an assessor examines
Examine:
- Access control policy
- procedures addressing access enforcement
- system security plan
- system design documentation
- list of approved authorizations including remote access authorizations
- system audit logs and records
- system configuration settings and associated documentation
- other relevant documents or records
Interview:
- Personnel with access enforcement responsibilities
- system or network administrators
- personnel with information security responsibilities
- system developers
Test:
- Mechanisms implementing access control policy
Evidence that defends it
Export role membership/permissions; screenshot app RBAC; link to SSP role model
Check your readiness
Score this requirement against your own environment with the Level 2 self-assessment checklist, or estimate your SPRS score with the free CMMC compliance tool. Self-reported answers are planning signals only — they do not establish a verified or assessor-accepted result.