NIST 800-171, continuously evidenced.
CISGuard automates the 110 security requirements of NIST 800-171 Rev. 3 (the technical baseline behind CMMC Level 2), with continuous evidence for DFARS 7012 contracting officers and C3PAO assessors.
NIST 800-171 at a glance, for fast retrieval.
Atomic factual claims auditors and search engines can cite verbatim.
- Standard
- NIST SP 800-171 Rev. 3 (May 2024)
- Control count
- 110 security requirements across 17 families
- Contractual obligation
- DFARS 252.204-7012 (DoD contractors handling CUI)
- Assessment regime
- CMMC Program (32 CFR Part 170)
- Self-assessment scoring
- NIST SP 800-171A; SPRS score reported to DoD
- CISGuard mapping
- 110 controls mapped to CIS Benchmark scan output
What is NIST 800-171?
NIST Special Publication 800-171 (Protecting Controlled Unclassified Information in Nonfederal Systems and Organizations) is the cybersecurity baseline that the Department of Defense and other federal agencies impose on contractors handling Controlled Unclassified Information (CUI). Rev. 3 (May 2024) restructured the 110 controls across 17 control families, mapped to NIST 800-53 Rev. 5 moderate-baseline controls, and forms the technical baseline behind CMMC Level 2. DFARS 252.204-7012 contractually obligates defense contractors to implement the safeguards; the CMMC Program (32 CFR Part 170, December 2024) introduces the third-party assessment regime that operationalizes it. CISGuard's continuous CIS benchmark scanning produces the technical-controls evidence that satisfies the 110 requirements with the continuous-operation evidence that C3PAO assessors and DIBCAC reviewers expect.
NIST 800-171 control families CISGuard automates.
Each CIS control is tagged with its corresponding framework reference. A single scan produces per-framework coverage reports.
- 3.1 (Access Control)
- Controls
- 22 requirements (least privilege, separation of duties, MFA)
- Mapped by
- CIS Account + Identity benchmarks across AD, Entra, Linux
- 3.3 (Audit and Accountability)
- Controls
- 9 requirements (audit log generation, retention, review)
- Mapped by
- CIS Audit Policy benchmarks + SIEM forwarding
- 3.4 (Configuration Management)
- Controls
- 9 requirements (baseline configuration, change control)
- Mapped by
- Continuous CIS benchmark scanning + drift detection
- 3.11 (Risk Assessment)
- Controls
- 3 requirements (vulnerability scanning, risk monitoring)
- Mapped by
- CIS Update / Patch benchmarks + drift detection
- 3.13 (System and Communications Protection)
- Controls
- 16 requirements (boundary, cryptography, transmission)
- Mapped by
- CIS Cryptography + TLS + Firewall benchmarks
- 3.14 (System and Information Integrity)
- Controls
- 7 requirements (flaw remediation, malware detection, monitoring)
- Mapped by
- CIS Endpoint hardening + integrity controls
How CISGuard automates NIST 800-171 evidence.
NIST 800-171 Rev. 3 expects continuous evidence of operation across the 110 controls. The CMMC Level 2 third-party assessment cycle (every 3 years with annual affirmation) walks through every control with a C3PAO assessor. CISGuard's continuous CIS benchmark scanning produces the operational-evidence layer the assessor expects, with the immutable audit trail that demonstrates controls are operating, not just implemented. Pre-assessment readiness compresses from months of consultant-led GAP analysis to days of internal review; ongoing continuous compliance replaces the annual scramble with steady evidence accumulation.
Evidence artifacts CISGuard generates.
Auditor-grade outputs in PDF/CSV. No spreadsheets, no screenshots, no manual cross-referencing.
- NIST 800-171 Rev. 3 control coverage report (all 110 controls, with C3PAO-ready mapping)
- SPRS-compatible self-assessment scoring evidence
- Continuous audit trail for the 3.3 (Audit and Accountability) family
- Per-asset hardening evidence for the 3.4 (Configuration Management) family
- Drift detection events for 3.11 (Risk Assessment) and 3.14 (System Integrity)
- Multi-framework mapping to NIST 800-53, CMMC, FedRAMP for evidence portability
Tier-2 DIB contractor: NIST 800-171 + CMMC L2 continuous compliance
Read case study →NIST 800-171 questions, answered directly.
How is NIST 800-171 Rev. 3 different from Rev. 2?
Rev. 3 (May 2024) restructured the 110 controls across 17 families (up from 14), tightened access-control and configuration-management requirements, added organization-defined parameter (ODP) flexibility, and aligned more closely with NIST 800-53 Rev. 5 moderate baseline. CMMC Level 2 (32 CFR Part 170) uses Rev. 3 as the technical baseline. CISGuard's control mapping covers both Rev. 2 (transitional) and Rev. 3 (current) for contractors at different points in the transition.
Does CISGuard produce an SPRS-compatible self-assessment score?
Yes. SPRS (Supplier Performance Risk System) requires DoD contractors to report a self-assessment score (out of 110, with the standard NIST 800-171A scoring methodology). CISGuard's control coverage report calculates the score with per-control evidence, supporting both initial SPRS submission and the annual affirmation cycle under CMMC Level 2.
How does CISGuard accelerate the C3PAO Level 2 assessment?
CISGuard's continuous evidence base replaces the typical pre-assessment GAP analysis (which often takes 12+ weeks of consultant-led effort) with continuous evidence accumulation. C3PAO assessors walk through CISGuard's control mapping and immutable audit trail; the engagement compresses from 8-12 weeks of fieldwork to 3-5 days for well-prepared contractors.
Does CISGuard support DIBCAC for high-value Level 3 contractors?
Yes. CISGuard's control coverage extends to NIST 800-172 (the enhanced controls that Level 3 builds on), with the immutable audit trail and configuration evidence DIBCAC assessors review. Tier-1 DIB contractors operating Level 3 use CISGuard for both the Level 2 baseline and the Level 3 enhancements from one CIS benchmark scan.
Can CISGuard run in air-gapped CUI environments?
Yes. CISGuard supports fully air-gapped deployment with quarterly signed-media benchmark and CVE updates. CMMC Level 2 / 3 contractors operating in air-gapped CUI environments deploy CISGuard inside the segregated network with no outbound connectivity, providing the configuration evidence the C3PAO assessor and DIBCAC reviewer both expect.
Continue exploring CISGuard coverage.
CMMC
CISGuard automates approximately 80% of CMMC Level 2 practice requirements through NIST 800-171 mapping, supporting defense contractors handling Controlled Unclassified Information (CUI).
Read more →NIST 800-53
CISGuard automates 50 NIST 800-53 Rev. 5 controls across 20 control families directly from CIS benchmark scans, the foundation for FedRAMP, FISMA, CMMC, and federal compliance programs.
Read more →FedRAMP
CISGuard maps 50 NIST 800-53 controls supporting FedRAMP Moderate and High baselines, with air-gapped deployment for High and IL4/IL5 environments and automated Continuous Monitoring satisfying CA-7.
Read more →ISO 27001
CISGuard maps 36 ISO/IEC 27001:2022 Annex A controls to CIS benchmark scans, automating the technical evidence that certification audits demand and continuous-monitoring requirements imply.
Read more →Ready for NIST 800-171 readiness?
Our compliance engineers have helped organizations achieve regulatory readiness in as little as one business day.