SC-17 Public Key Infrastructure Certificates
a. Issue public key certificates under an organization-defined certificate policy or obtain public key certificates from an approved service provider; and b. Include only approved trust anchors in trust stores or certificate stores managed by the organization.
Source: NIST SP 800-53 Rev 5, SC-17. 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 800-53 Rev 5 in the compliance library.
Base controls and their enhancements. Which apply follows the baseline you are assessed against (for example FedRAMP Moderate or High, or the low, moderate and high baselines of SP 800-53B). Text in square brackets is a parameter your organisation sets.
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
- Procedures addressing public key infrastructure certificates · Cloud console / configuration management
- Test of Mechanisms supporting and/or implementing the management of public key infrastructure certificates · Cloud console / configuration management
governing documentDocuments that govern the control
- System and communications protection policy · Policy repository / GRC workspace
- Public key certificate policy or policies · Policy repository / GRC workspace
- Public key issuing process · Document repository
- System security plan · Policy repository / GRC workspace
First move
Common gaps auditors find
- Public key certificates are issued outside the organization-defined certificate policy or from unapproved providers
- Managed trust stores contain trust anchors that were never reviewed or approved by the organization
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 sheetSC-16(3) Transmission of Security and Privacy Attributes | Cryptographic Binding · SC-18 Mobile Code