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3.14.3OFFICIAL STATEMENT BELOWBASIC REQUIREMENTPENDING NIST SME REVIEW

3.14.3 — Security alert monitoring

3.14 System and Information Integrity · NIST SP 800-171 Rev. 2 · The heading label is this site's navigational shorthand; the official language is the statement below.

Official requirement statement (verbatim)

Monitor system security alerts and advisories and take action in response.

NIST SP 800-171 Rev. 2 — Protecting CUI in Nonfederal Systems ↗NIST SP 800-171A — Assessing Security Requirements for CUI ↗
Independent interpretation

What this requirement is after

Somebody watches the advisory stream — vendor bulletins, CISA alerts, ICS advisories — and the organization acts on what applies. Subscribing is the easy half; the requirement is the acting, with a record of what was done or why nothing needed doing.

Mapped practices

Brilliant at the Basics practices that support this requirement

Operational supportModerate confidence

Why: Vendor and CISA advisories are an input the practice's triage queue already consumes: advisory monitoring is how new vulnerabilities affecting the estate become scan targets and remediation tickets rather than news items.

What this does not claim: Contributes the acting-on half for flaw-type advisories only. The requirement also covers alerts and directives that demand non-patching responses — configuration changes, threat hunting, disabling a feature — and the watching of advisory sources itself needs a named owner and a routine that the scanning platform does not supply.

Practice-side activities
  • Subscribe to a curated advisory set and route items into vulnerability triage
  • Record the action taken, or the documented non-applicability, per relevant advisory
Evidence this produces
  • Advisory source list with owner
  • Triage or ticket records traceable to specific advisories

Review status: Pending NIST SME review · Reviewed by Brilliant at the Basics editorial — practitioner-authored; NIST SME review pending · updated 2026-08-06

Doing the work

Implementation considerations and evidence

Implementation considerationsIndependent guidance — tailor to your environment
  • Assign the watching to a named role with a defined routine, and keep the source list short enough to actually read.
  • Route applicable advisories into existing queues — vulnerability triage, change management — rather than inventing a parallel process.
What operating evidence looks likeRecords worth retaining, not a submission checklist
  • The advisory source list with its owner
  • Records tying advisories to actions taken or documented non-applicability

Suggested owners, derived from the mapped practices and artifacts: IT leader / MSP. Ownership is a named person in your organization, not a role on a website.

Artifacts

Templates and worksheets with a mapped relationship

No artifact in the library names this requirement yet. The library index groups everything by category and practice.

The other revision

Where this lands in Rev. 3

Provenance

Sources and review status

Primary sourcesNIST SP 800-171 Rev. 2 — Protecting CUI in Nonfederal Systems · NIST SP 800-171A — Assessing Security Requirements for CUI
Review statusPending NIST SME review
Content version1.0
Updated