Procurement Signals
7 min

Third-Party Risk: Fast, Auditable, and Adoptable

Use proportionate risk tiering, defined evidence, explicit approval and event-led review across the supplier lifecycle.

Set due-diligence depth by exposure

Proportionate due diligence

Set evidence and approval requirements by risk exposure

Data access, operational criticality, location and regulatory exposure determine the review depth and approval route.

Tier & typical triggerRequired evidenceDecision & review
Tier & typical triggerLow: no sensitive access; replaceableRequired evidenceIdentity, sanctions and basic policy checksDecision & reviewBusiness owner; event-led review
Tier & typical triggerMedium: data or operational dependencyRequired evidenceControl evidence, financial and compliance reviewDecision & reviewRisk owner; annual or change review
Tier & typical triggerHigh: critical service or sensitive dataRequired evidenceEnhanced diligence, resilience, audit and mitigation planDecision & reviewSenior risk approval; continuous signals
Illustrative worked examplePayroll data processor
Baseline
Annual spend is modest, so the supplier follows a light questionnaire despite sensitive data and payroll dependency.
Decision
Tier on data and operational exposure; require security, privacy, resilience and exit evidence.
Acceptance
No activation before approval; mitigations have owners; material changes trigger re-review.
  • • Tier by access, data sensitivity and operational criticality alongside spend
  • • Define what “low / medium / high” means and what evidence each tier requires
  • • Make the approval path explicit (who signs off, and what they are accountable for)

Build the audit record into the workflow

  • • Centralize evidence (questionnaires, documents, approvals, waivers, decisions)
  • • Log the “why” for exceptions (what risk you accepted and what mitigations exist)
  • • Add a review cadence: what triggers re-review (scope changes, new features, incidents)

Keep approval points for consequential actions

Agents/LLMs can pre-check documents, flag missing evidence, and draft summaries. Humans still sign off on risk decisions. This keeps accountability while cutting manual effort.

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