Recheck scope and boundary with current facts
Confirm the assessment boundary, CUI flow, user population, systems, external service providers, and excluded environments. Do not rely on an old diagram if architecture or contracts changed.
Assessment prep
CMMC Assessment Preparation Checklist
Use this later-stage checklist after initial gap work is underway. The goal is to reduce assessment-week confusion by testing scope, evidence, ownership, interviews, and provider responsibilities before formal review.
Check evidence freshness and traceability
Evidence should be current, mapped to requirements, understandable to reviewers, and owned by someone who can explain it. Move stale artifacts out of the packet instead of hoping nobody notices.
Reconcile SSP language with actual operation
The SSP should describe how controls operate today. POA&M items should be accurate, limited to allowed contexts, and not used as a blanket excuse for unfinished control work.
Assign control owners and interview backups
Every major control family needs an owner who can explain implementation, artifacts, exceptions, and cadence in plain language. Backups matter when the one knowledgeable admin is unavailable.
Document inherited and provider-operated controls
For MSPs, enclaves, cloud platforms, and software tools, document what is inherited, what the provider operates, and what remains the contractor’s responsibility. Late provider confusion is avoidable.
Run an internal or mock review before the calendar is locked
A readiness or mock assessment should test whether evidence, interviews, and scope hold together under review conditions before formal assessment activity begins.
Choose assessment-side help carefully
When comparing assessment providers, verify official status, clarify permissible support, and avoid arrangements that blur readiness consulting with formal assessment independence.
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