← ISO 27001 · A.5 — Organisational

A.5.19 — Information security in supplier relationships

high vendor-managementthird-party

Requirement

Processes and procedures shall be defined and implemented to manage the information security risks associated with the use of suppliers' products or services.

What the engine looks for

Every group below must be satisfied — by an affirmative statement, not a plan, a hedge or a denial — for the control to count as covered. A term ending in … matches any word it begins. Supporting terms do not change the verdict — they raise confidence and distinguish a policy that names a mechanism from one that gestures at a category.

Required element 1 — any one of
suppliervendorthird partysub-processor
Required element 2 — any one of
riskassessmentdue diligencerequirementcontractcontractualassess
Supporting terms — specificity signals
tieringquestionnairesoc 2iso 27001annual reviewregisterright to audit
Contradiction markers

Finding any of these outranks coverage — a policy that admits the gap is worse than silence.

no supplier assessment

Equivalent controls elsewhere

Matched on shared topics. Satisfying this control usually moves these too.

FrameworkControlTitleShared topics
GDPR Art.28 Processors and processing agreements vendor-management third-party
CCPA/CPRA 1798.100(d) Contracts with service providers, contractors and third parties vendor-management third-party
SOC 2 CC9.2 Vendor and business partner risk management vendor-management third-party
PCI DSS 4.0.1 12.8 Third-party service provider management vendor-management third-party
HIPAA 164.308(b)(1) Business associate contracts (R) vendor-management third-party
GLBA 314.4(f) Oversight of service providers vendor-management third-party
NIST CSF 2.0 GV.SC-03 Supply chain risk management is integrated vendor-management third-party
NDPA 2023 s.29 Data processor engagement vendor-management third-party