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DoD Assessment Methodology

The DoD Assessment Methodology is the scoring rulebook for NIST SP 800-171 self-assessments under DFARS 252.204-7019. Documented in Version 1.2.1 (June 24, 2020), it produces a score from -203 (nothing implemented) to 110 (everything implemented). The score goes into SPRS. Contracting officers look at it. Misrepresenting it is how companies end up in False Claims Act cases.

How the Scoring Works

You start at 110. Each of the 110 NIST SP 800-171 requirements is worth 1, 3, or 5 points depending on security impact. If a requirement is fully implemented, you keep its points. If it is not implemented, you lose those points. Partial implementation gets partial credit in a limited set of cases. The math can push you below zero, down to -203, if enough high-value controls are missing.

Why Deductions Are 1, 3, or 5

The values are not a continuous range. Controls with the largest security impact deduct 5 points (MFA for privileged accounts, FIPS-validated cryptography for CUI). Medium-impact controls deduct 3. Hygiene-level controls deduct 1. This means a single missing MFA implementation hits harder than several missing awareness training activities.

Confidence Levels

  • Basic (Self): The contractor runs the assessment. This is the default under DFARS 252.204-7019.
  • Medium (DIBCAC paper review): DIBCAC reviews your documentation and interviews staff. No on-site verification.
  • High (DIBCAC on-site): DIBCAC visits and verifies implementation technically.

Submitting to SPRS

The score goes into SPRS with three fields: the numeric score (-203 to 110), the date of the assessment, and the target date for reaching 110 if you are not there yet. Scores expire after three years, so plan a reassessment cadence. Authorized company representatives access SPRS through PIEE (Procurement Integrated Enterprise Environment).

DoDAM vs CMMC

Both evaluate the same 110 NIST 800-171 practices. DoDAM produces a number. CMMC produces a pass/fail certification. You need DoDAM-compliant scores in SPRS under DFARS 252.204-7019 regardless of CMMC status. Once CMMC is fully rolled out, a new contract with 252.204-7021 will also require the certification.