NIST SP 800-171
Protecting Controlled Unclassified Information in Nonfederal Systems
NIST SP 800-171 is a compliance framework from United States with 30 domains and 93 controls that map to 190 other frameworks. The largest domains are System and Communications Protection (7 controls), Access Control Assessment (6 controls), NIST SP 800-171: Access Control & Identity (6 controls). Every control below carries what it requires and what an assessor expects to see.
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Framework Domains (30)
Access Control
Access Control Assessment
| Code | Title |
|---|---|
| 3.1.1 | All security policies and operational procedures that are identified in Requirement 3 are: • Documented. • Kept up to date. • In use. • Known to all affected parties |
| 3.1.2 | Roles and responsibilities for performing activities in Requirement 3 are documented, assigned, and understood |
| 3.1.20 | External Connections Control |
| A.03.01.01 | Account Management Assessment |
| A.03.01.05 | Least Privilege Assessment |
| A.03.01.12 | Remote Access Assessment |
Audit and Accountability
Audit and Accountability Assessment
| Code | Title |
|---|---|
| 3.3.1 | SAD is not stored after authorization, even if encrypted. All sensitive authentication data received is rendered unrecoverable upon completion of the authorization process |
| A.03.03.01 | Event Logging Assessment |
| SP800-171-3.5.2 | Authenticate identities before access |
Awareness and Training
| Code | Title |
|---|---|
| 171-AT-1 | Security Awareness and Role-Based Training |
Configuration Management
| Code | Title |
|---|---|
| 171-CM-1 | Baseline Configuration and Inventory |
| SP800-171-3.5.1 | Identify system users, processes, and devices |
Configuration Management Assessment
| Code | Title |
|---|---|
| 3.4.1 | PAN is masked when displayed (the BIN and last four digits are the maximum number of digits to be displayed), such that only personnel with a legitimate business need can |
| 3.4.6 | Least Functionality |
| A.03.04.01 | Baseline Configuration Assessment |
| A.03.04.02 | Configuration Settings Assessment |
Identification and Authentication
Identification and Authentication Assessment
| Code | Title |
|---|---|
| 3.5.3 | Multi Factor Authentication |
| A.03.05.03 | Multi Factor Authentication Assessment |
Incident Response
Incident Response Assessment
| Code | Title |
|---|---|
| 3.6.1 | Procedures are defined and implemented to protect cryptographic keys used to protect stored account data against disclosure and misuse that include: • Access to keys is restricted to the fewest number of custodians necessary. |
| A.03.06.01 | Incident Handling Assessment |
Maintenance
| Code | Title |
|---|---|
| 171-MA-1 | Maintenance Authorisation and Control |
Maintenance Assessment
| Code | Title |
|---|---|
| A.03.07.04 | Maintenance Tools Assessment |
Media Protection
| Code | Title |
|---|---|
| 171-MP-1 | Media Protection |
Media Protection Assessment
| Code | Title |
|---|---|
| 3.8.3 | Media Sanitization |
| A.03.08.03 | Media Sanitization Assessment |
NIST SP 800-171: Access Control & Identity
Managing access to information systems (NIST SP 800-171)
| Code | Title |
|---|---|
| SP800-171-3.5.10 | Store and transmit only encrypted passwords |
| SP800-171-3.5.4 | Replay-resistant authentication |
| SP800-171-3.6.1 | Operational incident-handling capability |
| SP800-171-3.6.2 | Track, document, and report incidents |
| SP800-171-3.6.3 | Test incident response capability |
| SP800-171-3.7.1 | Perform system maintenance |
NIST SP 800-171: Audit & Accountability
Audit logging and accountability measures (NIST SP 800-171)
| Code | Title |
|---|---|
| SP800-171-3.13.16 | Protect confidentiality of CUI at rest |
| SP800-171-3.14.1 | Identify, report, and correct flaws |
| SP800-171-3.14.2 | Malicious code protection |
| SP800-171-3.14.3 | Monitor security alerts and advisories |
| SP800-171-3.14.6 | Monitor systems and traffic for attacks |
NIST SP 800-171: Configuration Management
Managing system configurations securely (NIST SP 800-171)
| Code | Title |
|---|---|
| SP800-171-3.12.3 | Continuously monitor controls |
| SP800-171-3.13.1 | Monitor and protect communications at boundaries |
| SP800-171-3.13.11 | Employ FIPS-validated cryptography |
| SP800-171-3.13.6 | Deny network traffic by default |
| SP800-171-3.13.8 | Encrypt CUI in transmission |
NIST SP 800-171: Incident Response
Detecting and responding to security incidents (NIST SP 800-171)
| Code | Title |
|---|---|
| SP800-171-3.11.1 | Periodically assess risk |
| SP800-171-3.11.2 | Scan for vulnerabilities |
| SP800-171-3.11.3 | Remediate vulnerabilities |
| SP800-171-3.12.1 | Periodically assess security controls |
| SP800-171-3.12.2 | Plans of action for deficiencies |
NIST SP 800-171: Risk Assessment & Management
Identifying and managing cybersecurity risks (NIST SP 800-171)
| Code | Title |
|---|---|
| SP800-171-3.10.1 | Limit physical access |
| SP800-171-3.10.3 | Escort and monitor visitors |
| SP800-171-3.10.6 | Safeguard CUI at alternate work sites |
| SP800-171-3.9.1 | Screen individuals before CUI access |
| SP800-171-3.9.2 | Protect CUI during personnel actions |
NIST SP 800-171: System & Communications Protection
Protecting systems and communications (NIST SP 800-171)
| Code | Title |
|---|---|
| SP800-171-3.7.2 | Control maintenance tools and personnel |
| SP800-171-3.7.5 | MFA for nonlocal maintenance |
| SP800-171-3.8.1 | Protect system media containing CUI |
| SP800-171-3.8.3 | Sanitize or destroy media before disposal |
| SP800-171-3.8.6 | Encrypt CUI on digital media during transport |
| SP800-171-3.8.7 | Control removable media |
Personnel Security Assessment
| Code | Title |
|---|---|
| 3.9.2 | Personnel Transfer and Termination |
| A.03.09.02 | Personnel Termination Assessment |
Physical Protection
| Code | Title |
|---|---|
| 171-PE-1 | Physical Access Authorisations |
Physical Protection Assessment
| Code | Title |
|---|---|
| 3.10.6 | Alternate Work Site Safeguards |
Physical and Environmental Protection Assessment
| Code | Title |
|---|---|
| A.03.10.01 | Physical Access Authorization Assessment |
Planning
| Code | Title |
|---|---|
| A.03.15.01 | System Security Plan Assessment |
Risk Assessment
| Code | Title |
|---|---|
| 171-RA-1 | Risk Assessment |
| 171-RA-2 | Vulnerability Scanning and Remediation |
| 3.11.1 | Risk Assessments |
| 3.11.2 | Vulnerability Scanning |
| A.03.11.01 | Risk Assessment Process |
| A.03.11.02 | Vulnerability Monitoring Assessment |
Security Assessment
| Code | Title |
|---|---|
| 3.12.1 | Security Control Assessment |
| A.03.12.01 | Security Control Assessments |
System and Communications Protection
| Code | Title |
|---|---|
| 171-SC-1 | Boundary Protection |
| 171-SC-2 | Encryption of Controlled Unclassified Information |
| 3.13.11 | Cryptographic Protection |
| 3.13.5 | Network Segmentation |
| 3.13.8 | Transmission Confidentiality |
| A.03.13.11 | Cryptographic Protection of CUI at Rest |
| SP800-171-3.5.3 | Multifactor authentication for privileged/network access |
System and Information Integrity
| Code | Title |
|---|---|
| 171-SI-1 | Flaw Remediation |
| 171-SI-2 | Malicious Code Protection |
| 3.14.1 | Flaw Remediation |
| 3.14.6 | Monitoring for Attacks |
| A.03.14.01 | Flaw Remediation Assessment |
| A.03.14.06 | System Monitoring Assessment |
Your Compliance Coverage
If you comply with NIST SP 800-171, you already cover:
NIST SP 800-53 Rev 5
40%
37 controls mapped
Compare →NIST SP 800-207
10%
9 controls mapped
Compare →ACSC Essential Eight
4%
4 controls mapped
Compare →+ 187 more: TSA Pipeline Cybersecurity Directives (2%), PAS 1192-5:2015 - Security-Minded Approach to BIM and Digital Built Environments (2%)
See all 190 mapped frameworks ↓Maps to 190 other frameworks
What is NIST SP 800-171 and who does it apply to?
NIST SP 800-171 is a compliance framework from United States with 30 domains and 93 controls. Protecting Controlled Unclassified Information in Nonfederal Systems It is used by organisations to establish and maintain compliance with industry standards and regulatory requirements.
What does NIST SP 800-171 actually require?
NIST SP 800-171 has 93 controls organised across 30 domains. The largest domains are System and Communications Protection (7 controls), Access Control Assessment (6 controls), NIST SP 800-171: Access Control & Identity (6 controls). Each control defines specific requirements that organisations must implement to achieve compliance.
If I already comply with another framework, how much of NIST SP 800-171 do I already cover?
NIST SP 800-171 maps to 190 other compliance frameworks. The top mapping partners are NIST SP 800-53 Rev 5 (40% coverage), NIST SP 800-207 (10% coverage), ACSC Essential Eight (4% coverage). Use our comparison tool to explore control-level mappings between frameworks.
How do I implement NIST SP 800-171?
Start your NIST SP 800-171 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 800-171 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 93 controls and track your progress.
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