Revision 2 of NIST SP 800-171 is Released

NIST compliance

As of December 31, 2017, companies that provide parts and services for suppliers serving federal and local governments must comply with the NIST 800-171 mandate. There have been some recent changes in how compliance is managed for this mandate.

Cybersecurity Maturity Model Certification

In 2019, the Department of Defense announced the creation of the Cybersecurity Maturity Model Certification (CMMC). Versions 1.0 was published January 30, 2020.

Companies seeking compliance with the NIST 800-171 mandate will now need to meet the requirements for CMMC.

There are many similarities in CMMC compared to NIST 800-171, and the goal remains the same: to protect information within government supply chains.

(Learn more about CMMC in the blog post, CMMC Version 1.0 is Released.)


NIST SP 800-171NIST SP 800-171

NIST Special Publication 800-171 covers the protection of “Controlled Unclassified Information” (CUI) defined as information created by the government, or an entity on behalf of the government, that is unclassified, but needs safeguarding. This publication was originally created in June 2015 and Revision 1 was made final in December 2016.

NIST Special Publication 800-171 Revision 2, Protecting Controlled Unclassified Information (CUI) in Nonfederal Systems and Organizations, was approved as final in February 2020.


Minor Changes in NIST SP 800-171 Revision 2

Revision 2 includes only minor editorial changes. There are no changes to the basic and derived security requirements.


NIST SP 800-171



NIST SP 800-171 Revision 2 — Abstract

"The protection of Controlled Unclassified Information (CUI) resident in nonfederal systems and organizations is of paramount importance to federal agencies and can directly impact the ability of the federal government to successfully conduct its essential missions and functions. This publication provides agencies with recommended security requirements for protecting the confidentiality of CUI when the information is resident in nonfederal systems and organizations; when the nonfederal organization is not collecting or maintaining information on behalf of a federal agency or using or operating a system on behalf of an agency; and where there are no specific safeguarding requirements for protecting the confidentiality of CUI prescribed by the authorizing law, regulation, or governmentwide policy for the CUI category listed in the CUI Registry. The requirements apply to all components of nonfederal systems and organizations that process, store, and/or transmit CUI, or that provide protection for such components. This security requirements are intended for use by federal agencies in contractual vehicles or other agreements established between those agencies and nonfederal organizations."


What Has Changed — Self-Attestation

The biggest impact to companies that must comply with NIST 800-171 is that with the release of CMMC, there is no longer an option for self-attestation.

The DoD is planning to migrate to the new CMMC framework and this framework will require all companies seeking NIST 800-171 compliance to work with an accredited and independent third-party organization.

Even though the method for providing evidence of compliance with the NIST 800-171 mandate has changed, any work you have done on supporting documents, such as a System Security Plan (SSP) and Plan of Action with Milestones (POA&M), has not been in vain. These documents will still be of use to you on the road to compliance.


How to Meet NIST 800-171 Compliance

If you have questions about your NIST 800-171 compliance, contact Corserva, we can help.

Corserva offers an easy process to validate your NIST compliance and stop putting your DoD contracts at risk. Request a quote for Corserva's NIST assessment services.

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Steve Mascia

Having spent his career in technical sales, Steve has an extensive technology background delivering information technology and integrated solutions in various environments including corporate buildings, campuses, and data centers. His experience spans IT managed services, professional services, cloud services, hybrid networks, cybersecurity, data & VoIP systems, structured cabling systems, wireless, video, and security solutions. Steve strives to advance his clients' business success in every endeavor.


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