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SOC 2CC9 — Vendor and Business Partner Risks

CC9.2

Vendor and Business Partner Risks

SOC 2 · 2017 TSC (2022 Revised Points of Focus) · Last verified August 2026

Objective

Assess and manage risks arising from vendors, subprocessors, business partners, and other external parties that can affect system commitments.

Points of focus

  • Inventory external parties that support in-scope services
  • Apply diligence and contract requirements proportionate to vendor risk
  • Monitor vendor performance, security changes, and termination obligations

Implementation notes

Route every new SaaS integration through intake that records data classes, privileges, hosting region, and substitutability; block production credentials until risk review and contract terms are complete. Operationalize inventory external parties that support in-scope services in ticketing, IdP, or GRC workflows with named owners — not only in a static policy PDF. Retain vendor inventory with tiering, data access, and service dependencies with reviewer identity, population scope, dates, and remediation outcomes auditors can sample. A recurring failure mode is that a cloud or ai subprocessor handles customer data but is absent from the risk inventory Revisit after material architecture, vendor, data-flow, or leadership changes and document the decision.

Audit tip: Sample vendor inventory with tiering, data access, and service dependencies with dates and named reviewers. Be ready to walk through how you detect and correct: a cloud or ai subprocessor handles customer data but is absent from the risk inventory

Evidence auditors typically request:

  • Vendor inventory with tiering, data access, and service dependencies
  • Completed diligence reviews and security addenda for critical subprocessors
  • Renewal reviews, SLA reports, and offboarding evidence

Common gaps

  • A cloud or AI subprocessor handles customer data but is absent from the risk inventory
  • Procurement collects a SOC report once and never reviews exceptions or material changes

Cross-Framework Mapping

FrameworkRequirementImplementation note
SOC 2CC9.2This control
ISO 27001A.5.19, A.5.20, A.5.22Annex A supplier controls align with CC9.2 vendor diligence.
HIPAA§164.308(b), baa-requirementsBAAs and vendor reviews satisfy HIPAA business-associate obligations.
GDPRArticle 28Article 28 processor terms parallel CC9.2 subservice oversight.

Primary sources

Frequently Asked Questions

Vendor and Business Partner Risks applies to the systems and commitments in your Trust Services Criteria scope. Translate the requirement into concrete operating workflows — inventory external parties that support in-scope services — with evidence stored where auditors and customers can sample it.

Lead with vendor inventory with tiering, data access, and service dependencies and pair it with completed diligence reviews and security addenda for critical subprocessors. Samples should show who performed the control, when, against which population, and what changed as a result.

Teams often fail because a cloud or ai subprocessor handles customer data but is absent from the risk inventory Close the loop with dated operating records and test the control on a realistic production path.

Control operation can often be shared across SOC 2, ISO 27001, GDPR, and HIPAA — but each framework uses different vocabulary and accountability. Maintain an explicit crosswalk rather than assuming equivalence.

Review at least annually and after material product, vendor, or data-flow changes. High-risk or privileged paths may need quarterly sampling even when the criterion does not prescribe a cadence.

Framework versions referenced in this page:

  • SOC 2 — 2017 TSC (2022 Revised Points of Focus)

Last verified: August 2026 · Primary sources linked above