
NIST 800-171 Compliance Company for Contractors Handling CUI
NIST 800-171 compliance is required for any organization that handles CUI on behalf of the federal government, including prime contractors, subcontractors, and vendors. CyberCrest’s NIST 800-171 compliance services can help your organization implement, demonstrate, and maintain it.

METHODOLOGY
NIST 800-171 Compliance Methodology
We've developed a clear 4-step compliance methodology to take you from the first gap assessment to the assessment your contract calls for, whether a self-assessment posted in the Supplier Performance Risk System (SPRS) or a Cybersecurity Maturity Model Certification (CMMC) assessment. As your NIST 800-171 compliance services provider, CyberCrest helps you work through the steps in order rather than all at once.

Gap Assessment
We conduct a NIST 800-171 gap assessment against all 110 requirements and develop a path towards compliance.
Remediation Support
We assist in developing documentation and implementing the required controls to help achieve a state of compliance.
Readiness Assessment
We conduct an internal assessment of your implemented controls to evaluate NIST 800-171 compliance before your self-assessment or CMMC assessment.
Assessment Support
We provide support for the steps leading up to your NIST SP 800-171 DoD Assessment score in SPRS or your CMMC Level 2 certification assessment.
SERVICES
Our NIST 800-171 Compliance Services
CyberCrest provides NIST 800-171 consulting services and expert guidance to help organizations meet NIST 800-171 requirements for protecting Controlled Unclassified Information (CUI) and demonstrate their mature security practices. Our specialized services include:
NIST 800-171 Gap Assessment
CyberCrest identifies information systems, networks, and personnel that handle CUI to define your compliance boundary. We then evaluate your current security controls against all 110 NIST 800-171 requirements, identifying gaps and prioritizing remediation efforts.
Gap Remediation Planning
CyberCrest’s team of NIST 800-171 compliance consultants develops actionable Plans of Action & Milestones (POA&Ms) to systematically address compliance deficiencies.
Documentation & Continuous Compliance Support
Documentation support covers the assessment-ready System Security Plans (SSPs) and policies that show how each requirement is met. Continuous compliance support puts monitoring processes in place to maintain compliance as standards evolve.
DELIVERABLES
What You Get from a NIST 800-171 Engagement
The DoD Assessment Methodology scores your implementation requirement by requirement, and a certification assessment examines the evidence behind each one. What you take away from the engagement is a set of documents an assessor or a prime can read, and how many of them you need depends on how much of your program already exists.
NIST 800-171 Gap Assessment Report
Where your environment stands against each of the 110 requirements, with every gap mapped to the NIST control it belongs to and ordered by what has to be closed first.
System Security Plan
The document that describes your system boundary, how each of the NIST controls is implemented and who is responsible for it. A Basic Assessment is based on your own review of this plan, so it has to be complete before you can score yourself; we draft it with your team.
Plan of Action and Milestones
A dated plan for the requirements not yet met, each with an owner and a target date. Your SPRS entry states the date a score of 110 is expected, and that date comes from this plan; under CMMC Level 2 a POA&M is allowed only for select requirements and has to be closed out within 180 days.
Policies and Procedures
The security policies an assessor will read against what your people do: who gets physical access to the systems that hold CUI, how media is handled, how security incidents are reported. Written with your team, so they describe practice rather than intent.


NIST 800-171 Compliance Solutions Tailored to Your Contracts
Don't let complex requirements slow you down. CyberCrest's NIST 800-171 solutions cover gap assessment, remediation planning and assessment preparation, helping you safeguard CUI and meet DoD mandates efficiently. Contact us today to start your compliance journey with confidence.




WHY US
Why Choose CyberCrest's NIST 800-171 Compliance Consultants
With deep expertise in cybersecurity and regulatory compliance standards, our NIST 800-171 compliance company is well-positioned to guide your organization through the complexities of the standard. CyberCrest is a CMMC Registered Practitioner Organization, and our team of seasoned cybersecurity professionals helps confirm that you meet all legal requirements while strengthening your cybersecurity resilience.
Ready to Start
While some NIST 800-171 service providers may require several months to begin, CyberCrest staffs up ahead of time and is always ready to start the engagement.
Client-First Strategies
CyberCrest will always put your organization's needs first, making your priorities central to our strategy without sacrificing quality.
Technology Enabled
CyberCrest leverages state-of-the-art compliance software to streamline and enhance the compliance journey. Our consultants are also trained and have hands-on experience with the top compliance platform vendors.
Remediation Support
We take pride in being able to support any information security implementation and remediation efforts. From technical to administrative tasks, we roll up our sleeves to ensure our clients' compliance success without compromising best practices and requirements.
TESTIMONIALS
Hear from Our Clients

ABOUT NIST 800-171
Understanding NIST 800-171 Compliance
NIST Special Publication 800-171 (NIST SP 800-171), issued by the National Institute of Standards and Technology, sets out the security requirements for protecting the confidentiality of Controlled Unclassified Information (CUI) when it is processed, stored or transmitted in nonfederal information systems. CUI is sensitive information that requires protection under a law, regulation or governmentwide policy, which tells an agency to handle it with safeguarding or dissemination controls. Government agencies write NIST's cybersecurity guidelines into their contracts, which is how the requirements reach defense contractors, research institutions and other organizations holding government contracts. The 14 families of requirements in Rev 2 run from access control, configuration management and media protection to personnel security, physical protection, risk assessment, and system and communications protection. NIST 800-171 compliance is no longer optional for organizations working with federal agencies, and it is the foundation CMMC builds on. CyberCrest specializes in NIST 800-171 compliance consulting, helping organizations implement these controls, prepare for assessments, and maintain compliance over time in line with DoD requirements.
- Keep the DoD contracts and subcontracts that require a current assessment score in SPRS
- Meet the same requirements CMMC Level 2 assesses, so the work carries over when a contract calls for a CMMC status
- Know which revision applies: CMMC Level 2 is assessed against NIST SP 800-171 Rev 2, while NIST published Rev 3, with 17 requirement families, in May 2024
WHO IT APPLIES TO
Who Needs NIST 800-171 Compliance
The requirement follows the data, not the size of the company. Government contractors and suppliers that process, store or transmit CUI on their own systems in performance of a DoD contract are covered at every tier of the supply chain.
Prime contractors handling CUI
DoD contractors whose contracts carry DFARS 252.204-7012 have to implement the requirements on the covered systems and, under 7019 and 7020, hold a current assessment score in SPRS before award. The prime also carries the duty to flow the requirement down.
Subcontractors at any tier
A subcontractor that will handle CUI in performance of the subcontract has the same compliance requirements: the 7012 clause is included without alteration, a subcontract subject to the requirements cannot be awarded until the subcontractor has completed at least a Basic Assessment within the last three years, and under CMMC a Level 2 status is the minimum for CUI.
Service providers that handle CUI for a contractor
Managed service providers and other external service providers that process, store or transmit CUI for a contractor fall inside the assessment scope. The exception is federal information systems that a contractor operates for the government itself: those systems follow federal rules, not these requirements.
Frequently asked questions
How much does NIST 800-171 compliance cost?
Cost depends on three things: how much of your environment processes, stores or transmits CUI and so falls inside the assessment scope, how many of the 110 requirements are already met, and which assessment your contract calls for. Scoring yourself for SPRS costs internal time on top of the consulting work, while a third-party certification assessment adds the assessor's fee, which is paid separately from the consulting work. CyberCrest sizes the engagement after a kickoff call and a review of your environment, so you know the effort before you commit.
What is an SPRS score?
The Supplier Performance Risk System is where DoD reads the result of your NIST SP 800-171 DoD Assessment. What is posted is the summary level score, such as 95 out of 110, together with the date a score of 110 is expected, not the value for each individual requirement. A Basic Assessment carries a confidence level of Low because the score is self-generated.
How long does achieving NIST 800-171 compliance typically take?
Depending on existing security maturity and resources, aligning with NIST 800-171 can take anywhere from three to twelve months or longer.
What documentation is required for NIST 800-171 compliance?
Primary documentation includes a System Security Plan (SSP), Plan of Action & Milestones (POA&M), policies, procedures, and records of implemented security controls.
Is there a NIST 800-171 certification?
No. NIST 800-171 itself has no certification and no third-party certification requirement; what a DoD contract asks for is the assessment score in SPRS. The nearest thing to a certificate is a CMMC status at Level 2 (C3PAO). There is no separate certification deadline either; the deadlines are the ones in the contract in front of you.
What happens if an organization fails to comply with NIST 800-171?
Non-compliance risks losing eligibility for DoD contracts or subcontracting opportunities, and it may negatively impact competitive positioning and reputation.
What are some of the key security domains within NIST 800-171?
Major domains include access control, incident response, configuration management, identification and authentication, media protection, and security assessment.
Does CyberCrest provide formal NIST 800-171 assessments?
CyberCrest specializes in readiness support, gap assessments, and advisory services for NIST 800-171 compliance. The formal assessment stays yours: the Basic Assessment is a self-assessment you post in SPRS, and any third-party assessment for certification is performed by an accredited assessor, not by us.
Can I use existing security measures for NIST 800-171 compliance?
Yes, existing controls can be leveraged, but they must explicitly align with and adequately address specific NIST 800-171 security requirements.
How often should NIST 800-171 compliance be reviewed?
Organizations should perform compliance reviews at least annually or whenever significant changes occur in operations, systems, or business scope.
How does NIST 800-171 differ from the Cybersecurity Maturity Model Certification (CMMC)?
NIST 800-171 defines the security requirements for protecting CUI; CMMC is the DoD program that verifies you meet them. CMMC Level 2 uses requirements identical to those in Rev 2 of NIST SP 800-171, so the SSP, the POA&M and the evidence you build for the standard carry over. What CMMC adds is the status itself: a self-assessment or a C3PAO certification assessment, scored and affirmed, that a contract can require before award. Your NIST 800-171 work counts toward CMMC certification; it does not replace the assessment.
What’s involved in creating a System Security Plan (SSP)?
An SSP describes system boundaries, security requirements implementation, operational roles, and details how your organization protects CUI according to NIST 800-171 guidelines.
What is a Plan of Action & Milestones (POA&M)?
A POA&M documents security gaps identified during assessments, outlines corrective actions, assigns responsibilities, and provides timelines for achieving compliance.
Does CyberCrest assist with ongoing compliance management for NIST 800-171?
Yes. Our consultants provide ongoing NIST 800-171 compliance support, with periodic compliance reviews and advisory help, so your organization continues to meet the requirements between assessments.



