Client Alerts & Newsletters

Just in Time for Spring: Revision 2 to NIST SP 800-171 Comes into Full Bloom


The National Institute of Standards and Technology (NIST) recently released its final version of Revision 2 to the cybersecurity standard NIST Special Publication (SP) 800-171. While the security controls remain unchanged, Revision 2 now incorporates implementation guidance into each control.  Importantly though, such guidance remains non-binding and is not intended to extend the scope of the controls’ requirements.  

For future solicitations, Revision 2 will replace Revision 1 as the applicable standard under DFARS 252.204-7012. It remains to be seen how the finalization of Revision 2 will impact the Department of Defense’s Cybersecurity Maturity Model Certification (CMMC). Currently, many CMMC practices cite to Revision 1, while “Discussion” sections cite to the draft version of Revision 2.

Lastly, although introduced in draft form at the same time as Revision 2, the separate standard NIST SP 800-171B – describing enhanced security controls intended to mitigate the risks of Advanced Persistent Threats (APTs) – remains unfinalized.

For more information, please contact the professional(s) listed below, or your regular Crowell & Moring contact.

Evan D. Wolff
Partner – Washington, D.C.
Phone: +1 202.624.2615

Kate M. Growley, CIPP/G, CIPP/US
Partner – Washington, D.C.
Phone: +1 202.624.2698

Maida Oringher Lerner
Senior Counsel – Washington, D.C.
Phone: +1 202.624.2596

Michael G. Gruden, CIPP/G
Associate – Washington, D.C.
Phone: +1 202.624.2545

Christopher R. Hebdon
Associate – Washington, D.C.
Phone: +1 202.624.2645

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