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If you handle Controlled Unclassified Information (CUI) under DFARS 252.204-7012, all 110 NIST SP 800-171 controls apply and your DoD SPRS score starts at 110, dropping as controls go unmet. Mark where you stand below and watch your estimate update. Nothing you enter leaves your device — this runs entirely in your browser. (Handle only Federal Contract Information, not CUI? You're under FAR 52.204-21 — 15 basic safeguards, not 800-171.)
This is a self-estimate. The $299 NIST 800-171 Readiness Assessment scores all 110 with the SPRS partial-credit rules and the System Security Plan (3.12.4) gate, then delivers your exact score, every gap ranked by point impact, and a phased remediation plan.
See pricing How the assessment worksA readiness self-check is a planning tool, not an audit, an attestation, or certification. Your real SPRS depends on your System Security Plan and evidence for all 110 controls.