Monitor the conditions that could change the risk decision: evidence freshness, unresolved findings, significant incidents, material service or ownership changes, privileged-access changes, resilience issues, contractual exceptions and remediation commitments. Review frequency should reflect vendor criticality and event triggers, not a fixed annual questionnaire alone.
External reference
NIST C-SCRM guidance treats supplier and product/service risk as part of ongoing enterprise risk management rather than a one-time procurement activity.
Primary source →Practical workflow
Define review triggers
Use time-based reviews plus incident, ownership, architecture, contract, evidence-expiry and major-service-change triggers.
Track evidence freshness
Record what evidence supports the current decision, when it was reviewed, what scope it covers and when it should be refreshed.
Track findings and commitments
Keep findings, exceptions, remediation owners, due dates and accepted residual risk connected to the vendor record.
Monitor operational signals
Connect incidents, integration health, outages or material security events to the vendor and affected business dependency where possible.
Reassess the decision
Escalate when evidence, incidents or changes invalidate the assumptions used during onboarding or the last review.
Relevant Cybatar sources
Claim boundary
Continuous assurance does not mean continuous surveillance or guaranteed visibility into a supplier. Monitoring depends on available evidence, contractual rights, technical signals, disclosed changes and the organisation’s own review process.
These pages are Cybatar-authored third-party cyber risk and resilience guidance. NIST publications are used as external references. The mappings are not NIST validations, certifications, endorsements, legal opinions or statements that a supplier or deployment is secure.