Theme comparison · vendor-management
Vendor management across frameworks
Compare vendor management across SOC 2, ISO 27001, GDPR, and HIPAA, including due diligence, contracts, subprocessors, monitoring, and SaaS evidence.
Frameworks covered: SOC 2, ISO/IEC 27001, GDPR, HIPAA
Key differences
| Dimension | Approach A | Approach B |
|---|---|---|
| SOC 2 | CC9.2 addresses risk from vendors and business partners; CC3.2 and CC3.4 support risk identification and change assessment. | Auditors sample due diligence, approvals, contracts, monitoring, and subservice-organization disclosures against the entity’s stated process. |
| ISO 27001 | A.5.19–A.5.23 cover supplier relationships, agreement requirements, ICT supply chains, monitoring, changes, and cloud services. | The ISMS links supplier classification and controls to risk treatment, the SoA, service changes, and exit planning. |
| GDPR | Articles 28–29 require processor selection, documented instructions, contract terms, confidentiality, assistance, deletion/return, and audit support. | Subprocessors require authorization and equivalent obligations; Chapter V rules separately govern international transfers. |
| HIPAA | Covered entities and business associates must identify downstream business associates and execute compliant BAAs. | BAAs require safeguards, breach reporting, subcontractor flow-down, permitted uses, access/amendment support, and return or destruction where feasible. |
| Vendor scope | SOC 2 and ISO commonly tier vendors by system access, criticality, and confidentiality, integrity, or availability impact. | GDPR and HIPAA add legal classifications based on data processing and regulated role; a low-spend tool can still be high risk. |
| Ongoing monitoring | SOC reports, ISO certificates, questionnaires, findings, SLA performance, incidents, and material changes support assurance monitoring. | Legal programs also track subprocessor changes, data locations, transfer mechanisms, BAA status, and processing-purpose changes. |
| Exit requirements | Access revocation, data export, deletion evidence, continuity, and dependency replacement reduce operational risk. | Article 28 deletion/return and HIPAA BAA termination duties require proof beyond closing the procurement record. |
Control overlap
Build one vendor inventory with fields for owner, service, data, access, criticality, geography, SOC 2 subservice status, ISO supplier risk, GDPR processor/subprocessor role, and HIPAA business-associate status. Due diligence and monitoring can map to /controls/soc-2/cc9-2, ISO A.5.19–A.5.23, GDPR Article 28, and /controls/hipaa/baa-requirements. Reuse security reports, questionnaires, risk acceptances, incidents, renewal reviews, and offboarding evidence. Contracts need separate overlays: security schedules do not automatically contain Article 28 terms, transfer safeguards, or BAA provisions. A vendor’s certificate is an input, not proof that your configuration, permitted use, data location, and downstream chain are acceptable.
Sequencing advice
A SaaS team should first discover vendors from SSO, cloud billing, expense, code, and data-flow sources rather than trusting a procurement spreadsheet. Tier by data sensitivity, production access, concentration, and recoverability; immediately remediate missing DPAs, BAAs, and high-risk security review. Standardize intake so legal classification and technical diligence happen before data access, then set annual or event-driven reassessment by tier. Monitor critical cloud and identity providers for reports, incidents, and material changes, and test an exit for one concentrated dependency. Feed one evidence packet to SOC 2 and ISO while retaining GDPR transfer and subprocessor records and HIPAA BAA-specific documentation.