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 NIST 800-171 Compliance Services

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.

NIST 800-171 Compliance Methodology

Gap Assessment

CyberCrest will conduct a gap assessment and develop a path towards complete compliance

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Remediation Support

CyberCrest will assist in developing documentation and support control implementation to achieve improved compliance

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Attestation Issuance

CyberCrest will issue a detailed compliance attestation report

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Compliance Audit

CyberCrest will conduct a formal audit to evaluate improved levels of framework compliance

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YOUR STEPS TO COMPLIANCE

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:

NIS 2 Readiness 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.

Assessment Preparation & Continuous Compliance Support

This includes documentation development, where CyberCrest prepares audit-ready System Security Plans (SSPs) and policies that clearly demonstrate your compliance posture; pre-assessment reviews to validate your controls to help confirm that  you’re fully prepared for formal audits; and establishing monitoring processes to maintain compliance as standards evolve as part of our continuous compliance support.

How CyberCrest Helps You Meet NIST 800-171 Requirements

Navigating NIST 800-171’s 110 security requirements for Controlled Unclassified Information (CUI) demands expert guidance — without the need for hands-on implementation. CyberCrest provides the strategic oversight and documentation expertise to prepare your organization for compliance success.

Compliance Gap Assessment

CyberCrest conducts a thorough gap analysis and evaluation of your current cybersecurity posture against all 14 control families, delivering a prioritized roadmap to address deficiencies and align with NIST 800-171 standards.

Documentation & Policy Development

CyberCrest crafts precise System Security Plans (SSPs) and Plans of Action & Milestones (POA&Ms) that meet DoD requirements. We help confirm that your policies — covering access control, incident response, and media protection — are audit-ready.

Control Validation & Audit Preparation

CyberCrest verifies your implemented technical and administrative controls — such as multi-factor authentication (MFA), encryption, and log management — against NIST 800-171 criteria. Our pre-assessment reviews identify gaps before formal audits.

Assessment Preparation

CyberCrest’s NIST 800-171 compliance solutions include mock audits to facilitate and test compliance before formal DoD evaluations.

Continuous Monitoring

CyberCrest helps establish processes to track compliance over time, ensuring your organization maintains adherence to evolving standards.

Achieve NIST 800-171 Compliance with CyberCrest

Don't let complex requirements slow you down. CyberCrest simplifies the process with expert gap assessments, remediation planning, and audit preparation — helping you safeguard CUI and meet DoD mandates efficiently. Contact us today to start your compliance journey with confidence!

TALK TO AN EXPERT

Why Choose CyberCrest?

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 NIST 800-171. Our team of seasoned cybersecurity professionals help 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 get started, CyberCrest staffs up ahead of time and is always ready to get started!

Client-First Strategies

CyberCrest will always put your organization’s needs first by prioritizing client priorities without sacrificing quality.

Technology Enabled

CyberCrest leverages state of the art audit and compliance software to streamline and enhance the compliance journey! CyberCrest 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 facilitate our clients’ compliance success without compromising compliance best practices and requirements.

TESTIMONIALS

Hear from Our Clients

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I have worked with CyberCrest on multiple compliance engagements over the past several years including HITRUST, NIS 2 and ISO 27001. Without exception, CyberCrest has consistently exceeded expectations for my clients through a combination of highly experienced consultants, and a practical approach to achieving compliance. They are willing to roll up their sleeves and help organizations fully understand and address their compliance challenges, not just function as external auditors.

Paul Lucidi

Founder and President, CyberAge Consulting LLC

“I have used the CyberCrest team for a variety of critical information security compliance engagements over the years including successfully attaining ISO 27001 and HITRUST certifications. All of our engagements have exceeded expectations!”

Craig Guinasso

Senior Director, Technology & CyberSecurity, Alector

"We have worked with CyberCrest on multiple penetration testing and cybersecurity risk and maturity assessments. The CyberCrest team has consistently produced high quality deliverables at fair prices. We give their client prospects our strongest recommendation."

David Wise

Managing Partner, Aberdeen Advisors

I have worked with CyberCrest on multiple compliance engagements over the past several years including HITRUST, NIS 2 and ISO 27001. Without exception, CyberCrest has consistently exceeded expectations for my clients through a combination of highly experienced consultants, and a practical approach to achieving compliance. They are willing to roll up their sleeves and help organizations fully understand and address their compliance challenges, not just function as external auditors.

Paul Lucidi

Founder and President, CyberAge Consulting LLC

“I have used the CyberCrest team for a variety of critical information security compliance engagements over the years including successfully attaining ISO 27001 and HITRUST certifications. All of our engagements have exceeded expectations!”

Craig Guinasso

Senior Director, Technology & CyberSecurity, Alector

"We have worked with CyberCrest on multiple penetration testing and cybersecurity risk and maturity assessments. The CyberCrest team has consistently produced high quality deliverables at fair prices. We give their client prospects our strongest recommendation."

David Wise

Managing Partner, Aberdeen Advisors

Understanding NIST 800-171 Compliance

The National Institute of Standards and Technology (NIST) Special Publication 800-171 (NIST SP 800-171) is a set of security requirements designed to help non-federal organizations protect the confidentiality, integrity, and availability of Controlled Unclassified Information (CUI) in their custody.

The NIST Special Publication 800-171 establishes cybersecurity requirements for best practices as well as protecting Controlled Unclassified Information (CUI) in non-federal systems. Designed for defense contractors, research institutions, and other organizations handling government contracts, this framework outlines 110 security controls across 14 families — from access control to system integrity.

As CUI becomes increasingly important both with regard to CMMC and as general secure handling of sensitive data, NIST 800-171 compliance is no longer optional for organizations working with federal agencies. The standards help safeguard sensitive government data while demonstrating your commitment to information security.

CyberCrest specializes in NIST 800-171 compliance consulting, helping organizations implement these critical controls, prepare for assessments, and maintain continuous compliance in line with DoD requirements. Our experts guide you through each requirement to confirm that your systems meet the stringent protection standards for handling CUI.

Frequently asked questions

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.

Who specifically needs NIST 800-171 compliance?

Organizations handling Controlled Unclassified Information (CUI) in support of federal contracts, particularly DoD contractors and subcontractors, must comply with NIST 800-171 requirements.

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 third-party auditing mandatory under NIST 800-171?

Currently, NIST 800-171 does not require third-party certification audits; however, self-assessments and documentation demonstrating compliance are required for DoD contracts.

What happens if an organization fails to comply with NIST 800-171?

Noncompliance 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; formal government-mandated assessments typically remain internal/self-administered.

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 specific security controls to protect CUI. CMMC incorporates these controls and adds a formal third-party assessment and certification requirement.

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 compliance with NIST 800-171 apply to subcontractors?

Yes, subcontractors handling or processing CUI must also adhere to NIST 800-171 standards, as compliance requirements cascade through the contracting supply chain.

Does CyberCrest assist with ongoing compliance management for NIST 800-171?

Yes, CyberCrest’s NIST 800-171 consultants provide ongoing advisory services, compliance reviews, and support to help organizations continuously maintain adherence to NIST 800-171 requirements.