NIST SP 800-171A Rev 3 — Assessing CUI Security Requirements
NIST Special Publication 800-171A Revision 3 (2024) provides assessment procedures for the security requirements in NIST SP 800-171 Rev 3. It defines assessment objectives and methods (examine, interview, test) for each of the 110 security requirements protecting Controlled Unclassified Information (CUI) in nonfederal systems. Used by CMMC assessors, DoD contractors, and federal agencies to verify CUI protection compliance.
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Framework Domains (5)
Access Control and Identification
| Code | Title |
|---|---|
| 3.1 | Food Safety and Quality Manual |
| 3.1.1 | Account Management Assessment |
| 3.1.2 | Access Enforcement Assessment |
| 3.7 | Identification and Authentication |
| 3.7.1 | Multi-Factor Authentication Assessment |
Audit, Assessment, and Monitoring
| Code | Title |
|---|---|
| 3.11 | Risk Assessment |
| 3.12 | Security Assessment and Monitoring |
| 3.3 | Record Completion and Maintenance |
| 3.3.1 | Audit Event Assessment |
| 3.4 | Internal Audits |
Awareness, Training, and Personnel
| Code | Title |
|---|---|
| 3.2 | Document Control |
| 3.2.1 | Security Awareness Assessment |
| 3.9 | Personnel Security |
| 3.9.1 | Personnel Screening Assessment |
Incident Response and Media Protection
| Code | Title |
|---|---|
| 3.15 | Planning |
| 3.16 | System and Services Acquisition |
| 3.17 | Supply Chain Risk Management |
| 3.5 | Management of Suppliers |
| 3.6 | Incident Response |
| 3.6.1 | Incident Response Plan Assessment |
System Protection and Communications
System and communications protection, configuration management, and contingency planning
| Code | Title |
|---|---|
| 3.10 | Physical and Environmental Protection |
| 3.13 | System and Communications Protection |
| 3.13.1 | Boundary Protection Assessment |
| 3.14 | System and Information Integrity |
| 3.8 | Maintenance |
| FEDRAMP-CM-1 | Configuration Management Policy |
| FEDRAMP-CM-2 | Baseline Configuration |
| FEDRAMP-CM-6 | Configuration Settings |
| FEDRAMP-CP-9 | System Backup |
| FEDRAMP-SC-1 | System and Communications Protection Policy |
| FEDRAMP-SC-12 | Cryptographic Key Establishment and Management |
| FEDRAMP-SC-13 | Cryptographic Protection |
| FEDRAMP-SC-28 | Protection of Information at Rest |
| FEDRAMP-SC-7 | Boundary Protection |
| FEDRAMP-SC-8 | Transmission Confidentiality and Integrity |
Maps to 637 other frameworks
Frequently Asked Questions
What is NIST SP 800-171A Rev 3 — Assessing CUI Security Requirements?
NIST SP 800-171A Rev 3 — Assessing CUI Security Requirements is a compliance framework from United States (NIST) with 5 domains and 35 controls. NIST Special Publication 800-171A Revision 3 (2024) provides assessment procedures for the security requirements in NIST SP 800-171 Rev 3. It defines assessment objectives and methods (examine, interview, test) for each of the 110 security requirements protecting Controlled Unclassified Information (CUI) in nonfederal systems. Used by CMMC assessors, DoD contractors, and federal agencies to verify CUI protection compliance. It is used by organisations to establish and maintain compliance with industry standards and regulatory requirements.
How many controls does NIST SP 800-171A Rev 3 — Assessing CUI Security Requirements have?
NIST SP 800-171A Rev 3 — Assessing CUI Security Requirements has 35 controls organised across 5 domains. The largest domains are System Protection and Communications (15 controls), Incident Response and Media Protection (6 controls), Access Control and Identification (5 controls). Each control defines specific requirements that organisations must implement to achieve compliance.
What frameworks does NIST SP 800-171A Rev 3 — Assessing CUI Security Requirements map to?
NIST SP 800-171A Rev 3 — Assessing CUI Security Requirements maps to 637 other compliance frameworks. The top mapping partners are UK Telecommunications (Security) Act 2021 (60% coverage), South Korea Cloud Security Assurance Program (CSAP) (60% coverage), PAS 1192-5:2015 — Security-Minded Approach to BIM and Digital Built Environments (60% coverage). Use our comparison tool to explore control-level mappings between frameworks.
How do I get started with NIST SP 800-171A Rev 3 — Assessing CUI Security Requirements compliance?
Start your NIST SP 800-171A Rev 3 — Assessing CUI Security Requirements compliance journey by running a self-assessment on our platform to identify your current compliance posture. Our AI advisory can answer specific questions about NIST SP 800-171A Rev 3 — Assessing CUI Security Requirements requirements, and cross-framework mapping helps you leverage existing controls from other frameworks you may already comply with. Create a free account to access all 35 controls and track your progress.
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