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How Much Does NIST 800-171 Compliance Cost?

NIST SP 800-171 cost drivers for defence suppliers — scoping CUI, remediation, and assessment readiness without fabricated prices.

Published: September 2026 Compliance · NIST 800-171 8–12 min read

800-171 cost tracks CUI boundary size, shared-service inheritance, and how close you already are to CMMC-aligned evidence.

Separate one-time remediation from recurring monitoring and affirmation/assessment preparation.

No fabricated quotes: Estimate from practice gaps and labour — not blog averages.

Drivers

Cost levers

Shrink CUI scope honestly, reuse cloud inheritance, and automate logging proof with SIEM.

How CyberSilo Helps

Talk to CyberSilo

Map evidence and operations with CyberSilo CSA and ThreatHawk.

Frequently Asked Questions

Is 800-171 the same cost as CMMC?

Related but assessment pathway and affirmation add programme overhead.

Tools vs people?

Tools organise; labour closes gaps.

Offshore teams?

CUI handling constraints may force architecture changes that dominate cost.

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