EvidenceSheet

CM-4(2) Impact Analyses | Verification of Controls (CM-4(2))

Impact Analyses | Verification of Controls. After system changes, verify that the impacted controls are implemented correctly, operating as intended, and producing the desired outcome with regard to meeting the security and privacy requirements

Source: FedRAMP Moderate (NIST SP 800-53 Rev 5 baseline), CM-4(2). The statement above is our statement of the clause, read from the published text and cited so you can check it against the official text, not the instrument verbatim. Open FedRAMP Moderate (NIST SP 800-53 Rev 5 baseline) in the compliance library.

A FedRAMP baseline is a subset of NIST SP 800-53 Rev 5, enhancements included.

3
artefacts
2
held by a system
1
at each review
easy
to go live
Document repository
where the evidence lives
teal = a system already holds it · olive = produced at each review. To go live: easy when half or more of the artefacts are already held by a system, moderate from a quarter to a half, hard below a quarter.

These are the artefacts auditors commonly ask for on this requirement, our guidance rather than text from the standard. Your assessor decides what is sufficient in your context, and asks for samples across the period when a report covers one.

system holds itEvidence a system already holds

  • Post-change verification reports · Document repository
  • Tickets linking change to verification · Ticketing / ITSM

periodic reviewEvidence produced at each review

  • Control testing results · Document repository

governing documentDocuments that govern the control

none for this control

First move

Automate the pull from your Document repository. Version-controlled document with owner, approval and review date as metadata.

Common gaps auditors find

Do this for your whole sheet

Paste the rows you run your controls from and get this mapping for every control at once, with the periodic-review ones flagged and a first move per row. No account for the first run.

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CM-4 Impact Analyses · CM-5 Access Restrictions for Change