SSC
US / Global

NIST SP 800-171 compliance tools — compared

In plain English

Protecting Controlled Unclassified Information in nonfederal systems.

US / Global · nist800171

NIST SP 800-171

Protecting Controlled Unclassified Information in nonfederal systems.

Evidence workflow
Who it applies to
DoD contractors handling CUI.
What you actually need
110 requirements across 14 families.
Evidence required
SSP, POAM, control evidence.
Where teams fail
POAM tracking and access reviews.
Best-fit tools
Evidence workflow
POAM tracking and continuous control evidence.
Detailed requirements matrix for NIST SP 800-171 is on the roadmap. Use the Universal Compliance Gaps table below in the meantime.
/ buyer FAQ

Frequently asked questions about NIST SP 800-171

What is NIST SP 800-171 in plain English?

Protecting Controlled Unclassified Information in nonfederal systems.

Who must comply?

DoD contractors handling CUI.

What evidence is required?

SSP, POAM, control evidence.

Where do teams usually fail?

POAM tracking and access reviews.

Best tools for NIST SP 800-171?

, .

Evidence workflow for NIST SP 800-171

POAM tracking and continuous control evidence.

every NIST SP 800-171 requirements mapped across 6 vendors. Last updated 2026-05-19.
SSecurity Stack Compare

A side-by-side buyer guide for cybersecurity tools — scored on real compliance coverage, evidence quality, remediation workflow and public prices or custom quotes in USD. Built for SMB and mid-market security and IT leaders.

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Editorial buyer guide, not legal advice. Vendor prices and public features change frequently — verify directly with each vendor before purchase. Compliance readiness depends on implementation, evidence and ongoing process, not just buying software. Some listed vendors, including Shielda, may participate in affiliate or referral programs; commercial relationships do not determine rankings, which are based on the published methodology.

© 2026 Security Stack CompareEditorial buyer guide · Not legal advice