CM-7 Least Functionality
Removes supplier-included functionality that the organization does not need and that widens the attack surface.
Source: NIST SP 800-161 Rev 1 (supply chain), CM-7. 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 NIST SP 800-161 Rev 1 (supply chain) in the compliance library.
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
none for this control
periodic reviewEvidence produced at each review
- Review of delivered functionality against need · Document repository
- Records of functions and services disabled · Document repository
governing documentDocuments that govern the control
- Acquisition requirements limiting bundled functionality · Document repository
First move
Common gaps auditors find
- vendor bundles left enabled because disabling is unsupported
- review performed for software but not firmware
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.
Build my evidence sheetCM-6 Configuration Settings · CM-8 System Component Inventory