NIST Compliance Consulting & Assessments (800-171 Rev 3, CSF 2.0, CMMC Level 2)
Praetorian Secure provides NIST Compliance Consulting to help you meet NIST SP 800-171 Rev. 3, NIST 800-53, and NIST CSF 2.0 requirements. We scope your environment, close gaps, and produce auditor-ready SSP, POA&M, and SPRS documentation aligned to DFARS and CMMC Level 2.
Win more DoD work and strengthen security with a proven NIST compliance partner. Praetorian Secure delivers fast, audit-ready outcomes across NIST SP 800-171, 800-53, and the NIST Cybersecurity Framework (CSF 2.0)—including DFARS and CMMC readiness—so you can demonstrate control effectiveness and keep sensitive data protected.
NIST Compliance Consulting: Why 800-171 Rev. 3 & CSF 2.0 Matter Now
Our NIST compliance consulting implements NIST SP 800-171 Rev. 3 and NIST CSF 2.0 so your SSP, POA&M, and SPRS submission align with DFARS and CMMC Level 2 expectations across on-prem and cloud.
- Rev-3 ready: Updated requirement language and evaluation approach reflected in your controls, evidence, and documentation.
- CSF 2.0 outcomes: Governance-focused, executive-level framing that translates security work into risk & resilience results.
- No rework surprises: We map 800-171 ↔ 800-53 where applicable and structure artifacts for audits & assessments.
Get my Rev-3 readiness plan NIST Computer Security Resource Center
800-171 Rev. 3 vs CMMC Level 2 vs 800-53 — NIST Compliance Consulting Guide
Use this quick comparison to choose the right path. We align all three during our NIST compliance consulting so you don’t duplicate work.
| Aspect | NIST SP 800-171 Rev. 3 | CMMC Level 2 (aligned to 800-171) | NIST SP 800-53 (RMF / FISMA) |
|---|---|---|---|
| Who needs it | Non-federal orgs that handle CUI for U.S. federal customers (e.g., DoD suppliers). | DoD contractors; Level 2 is based on 800-171 and assessed by a C3PAO or via DoD-directed self-assessment per program rules. | Federal agencies and any org adopting RMF/FISMA controls at system level. |
| Primary objective | Protect confidentiality of CUI via defined requirements and artifacts (SSP/POA&M). | Demonstrate 800-171 conformance for DoD acquisitions; readiness proven through C3PAO assessment or self-attestation. | Comprehensive security & privacy controls with baselines; supports system authorization (ATO). |
| Scope focus | Org-level practices where CUI is stored, processed, or transmitted (on-prem or cloud). | Same as 800-171; DoD program-specific enforcement and assessment rigor. | System-level controls (people, process, tech) across categories/families. |
| Assessment / evidence | Review against Rev-3 requirements; evidence mapped to each requirement; update SSP & POA&M. | Third-party assessment by a C3PAO or self-assessment (where allowed); objective evidence required. | Assessment procedures per 800-53A; testing/inspection/interview, tailored to control selection. |
| Key artifacts | SSP, POA&M, evidence catalog; SPRS score submission for DoD suppliers. | Assessment report & findings; CAP/POA&M; listing in supplier systems per program requirements. | System Security Plan, Security Assessment Plan/Report, POA&M supporting ATO. |
| Where it “shows up” | SPRS (Supplier Performance Risk System) for DoD contracting. | DoD procurement systems / contract eligibility. | Agency authorization packages (ATO) and governance repositories. |
| Typical starting point | Rev-3 gap assessment → prioritized remediation → evidence & documentation. | 800-171 gap & readiness → C3PAO engagement planning → close findings. | RMF categorization & control selection → implementation → 53A assessment. |
| When to choose | Any time CUI is in scope for a federal customer/contract. | When pursuing/maintaining DoD work where CMMC Level 2 is required. | For federal systems/ATO, or enterprises adopting RMF/53 for depth. |
Trusted Since 2009 for NIST Compliance Consulting
One U.S.–based team delivering NIST compliance consulting for Fortune 10/100, defense suppliers, healthcare, and regulated SMBs.
- 2009 founded — continuous NIST delivery
- Hundreds of SSP/POA&Ms produced
- Defense Industrial Base & healthcare expertise
- On-prem & cloud (Gov/Comm)
Organizations that trust Praetorian Secure
Defense • Healthcare • Manufacturing • Financial Services • Education
NIST Consulting
& Defense Suppliers
of SSP/POA&M Packages
Consultants
NIST Gap Assessment (SPRS-aligned)
Get a NIST 800-171 gap assessment aligned to DFARS and SPRS scoring, with a control-by-control review that pinpoints deficiencies and risk. You’ll receive a prioritized remediation roadmap to raise your SPRS score fast and accelerate CMMC readiness.
NIST Consulting & Implementation
Hands-on NIST 800-171 consulting / 800-53 consulting, NIST CSF 2.0 consulting consulting to select, tailor, and implement controls across on-prem and cloud environments. We develop policies, procedures, and technical hardening guidance to close gaps and prove compliance to auditors and customers.
SSP & POA&M Development
We build an auditor-ready System Security Plan (SSP) and Plan of Action & Milestones (POA&M) tailored to your scope, assets, and inherited controls. Clear ownership, timelines, and evidence mapping ensure DFARS/CMMC stakeholders accept your documentation.
Continuous Monitoring
Sustain NIST compliance with ongoing vulnerability management, patch cadence, log/alert reviews, and evidence collection. Quarterly maturity reviews and metrics keep your program aligned to CSF 2.0 outcomes and audit-ready year-round.
Authorization & Packages (RMF)
End-to-end RMF (NIST SP 800-37) support, including categorization, control selection, assessment, and ATO/authorization package preparation. We document control inheritance (e.g., cloud/FedRAMP), manage POA&Ms, and streamline re-authorization with repeatable artifacts.
NIST Frameworks We Support
NIST SP 800-171
Defines the security requirements for protecting CUI in non-federal systems and is foundational for DFARS and CMMC readiness. We perform SPRS-aligned gap assessments, close technical/policy gaps, and deliver auditor-ready SSP/POA&M artifacts to help you win and keep DoD work.
- SPRS-aligned gap assessment & scoring
- Auditor-ready SSP and POA&M
- DFARS 252.204-7012 incident/reporting support
- Control implementation across on-prem & cloud
- Readiness walkthrough before assessment
NIST SP 800-53
Provides comprehensive security and privacy controls for federal information systems. We handle control selection/tailoring, 800-53A testing, and RMF (SP 800-37) package development to streamline authorization and reuse evidence across frameworks.
- FIPS-199 categorization & control baselines
- Tailoring, overlays, and inheritance mapping
- 800-53A assessments & evidence collection
- RMF package (A&A, POA&M, continuous monitoring)
- Mapping to 800-171/CMMC/CSF 2.0
NIST CSF 2.0
Outcome-driven and scalable, aligning cybersecurity to business risk. We baseline maturity, define target profiles, and build a 30/60/90 + 12-month roadmap with metrics so leadership can see progress and ROI.
- Current vs. target CSF 2.0 profiles
- Risk register & prioritized roadmap
- KPIs/KRIs & executive reporting
- Supply chain focus (SP 800-161)
- Quarterly maturity reviews
Adjacent frameworks and services
Accelerate compliance and reduce duplicate effort. We integrate CMMC readiness, third-party risk, and technical hardening with your NIST program to keep you audit-ready year-round.
NIST Compliance Services: What You’ll Walk Away With
- Executive briefing and remediation roadmap (30/60/90 days)
- SSP and POA&M development, auditor-ready
- Control mappings (800-171 ↔ 800-53 ↔ CMMC)
- Evidence repository checklist & sample artifacts
- SPRS scoring guidance (self-assessment)
- Policy set (scoped) and operating procedures
- Technology hardening recommendations (by control family)
Our NIST Compliance Consulting Method
Aligned to NIST CSF functions: Identify · Protect · Detect · Respond · Recover · Maintain
What You’ll Walk Away With
- Executive brief & 30/60/90 roadmap: Board-ready summary of risks, cost, effort, and milestones tied to Rev-3/CSF 2.0 outcomes.
- Auditor-ready SSP & POA&M: Clear ownership, remediation steps, evidence locations, and realistic timelines.
- Control mappings (800-171 ↔ 800-53 ↔ CMMC): Practical crosswalks to reduce duplicate work and keep teams aligned.
- Evidence checklist & example artifacts: Screenshots, configs, and sample narratives that pass reviewer scrutiny.
- SPRS scoring guidance: How to calculate, justify, and maintain your score without over-claiming.
Who We Help
Pricing & Timelines (Typical Ranges)
- 800-171 Gap Assessment (SMB scope): 2–4 weeks
- SSP/POA&M Build-Out: 2–6 weeks (depending on scope & evidence readiness)
- CSF 2.0 Assessment & Roadmap: 3–6 weeks
- Continuous Monitoring: monthly cadence with quarterly maturity reviews
Why Praetorian Secure
- Specialized in regulated industries (DoD supply chain, healthcare, manufacturing)
- Speed to value: fixed-fee packages and accelerated gap-to-remediation timelines
- Assessor-friendly artifacts and control evidence
- End-to-end support: from first gap assessment to ongoing monitoring
Get Started with Your NIST Plan
NIST FAQ -
List of questions and answers relating to NIST Compliance.
What changed in NIST 800-171 Rev-3?
Rev-3 (final May 2024) clarifies requirements, reintroduces ODPs, and aligns language with 800-171A; we reflect these changes in your controls, evidence, and SSP/POA&M.
How does Rev-3 map to CMMC Level 2?
CMMC Level 2 is aligned to 800-171; we prep you for both Rev-3 conformance and third-party assessment expectations while improving your SPRS score.
What artifacts are mandatory?
An SSP and POA&M are non-negotiable, along with a transparent SPRS score based on the DoD Assessment Methodology.
What is the difference between NIST 800-171 and CMMC?
800-171 defines required security controls for protecting CUI; CMMC builds on 800-171 and adds maturity/process requirements and assessment/attestation for DoD contracts.
Do I need an SSP and POA&M?
Yes. DFARS and 800-171 expect an up-to-date System Security Plan (SSP) and Plan of Action & Milestones (POA&M) documenting implementation status and remediation steps.
How do you approach SPRS scoring?
We perform a control-by-control review, calculate the score transparently, and create a remediation plan to improve it prior to assessment.
Can you help with Supply Chain Risk Management?
Yes—our teams align with NIST SP 800-161 to identify critical suppliers, evaluate inherited controls, and document SCRM practice.
What's included in ongoing monitoring?
Vulnerability scanning cadence, remediation tracking, log/alert reviews, evidence collection, and quarterly maturity checkpoints.
NIST Updates & Compliance News
Stay current on NIST 800-171, 800-53, CSF 2.0, and CMMC developments. Curated by Praetorian Secure’s compliance team.
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Audit-ready deliverables: SSP, POA&M, policies
NIST CMMC 2.0 Level 1 - Gap Quiz (free)
Are You Audit-Ready for CMMC?
Pinpoint weaknesses against NIST 800-171 in minutes. Free results, clear recommendations, and a roadmap toward Level 2 compliance.