SOC 2 vs GDPR
SOC 2 vs GDPR for SaaS companies: compare audit assurance, privacy law, control overlap, evidence, breach duties, and implementation order.
Key differences
| Dimension | SOC 2 | GDPR |
|---|---|---|
| Authority and purpose | AICPA Trust Services Criteria support a voluntary CPA attestation over a service organization’s controls. | EU Regulation 2016/679 creates enforceable privacy rights and duties for controllers and processors. |
| Applicability | Usually adopted because enterprise buyers or contracts request a SOC 2 report; management defines the system boundary. | Applies when an organization processes personal data in the GDPR’s territorial scope, including Article 3 extraterritorial cases. |
| Primary outcome | A Type I or Type II restricted-use report containing management’s system description and the CPA firm’s opinion. | An accountable compliance program—records, notices, contracts, rights handling, and security—not a certificate or audit report. |
| Data focus | Security is mandatory; availability, confidentiality, processing integrity, and privacy criteria are selected based on commitments. | All personal-data processing is covered through principles such as lawfulness, minimization, purpose limitation, and storage limitation. |
| Incident obligations | CC7.3–CC7.5 address evaluation, response, recovery, and communication against the entity’s commitments. | Articles 33–34 can require supervisory-authority notice within 72 hours and communication to affected people when thresholds are met. |
| Third parties | CC9.2 and complementary subservice-organization controls support vendor monitoring and audit evidence. | Articles 28 and 30 require processor terms, subprocessors, processing records, and controller accountability. |
| Enforcement | Exceptions can qualify the auditor’s opinion and harm sales, but SOC 2 itself is not a regulatory fine regime. | Supervisory authorities can investigate, order remediation, suspend processing, and impose Article 83 administrative fines. |
Control overlap
A shared SaaS control layer can support SOC 2 and GDPR without making the regimes equivalent. Identity controls mapped to /controls/soc-2/cc6-1, change controls, CC7 monitoring, and CC9.2 vendor oversight also help demonstrate GDPR Article 32 security of processing. Incident tickets and forensic records can support CC7.3–CC7.5 as well as Articles 33–34; vendor reviews can feed Article 28 processor diligence. GDPR still needs lawful-basis records, Article 12–22 rights workflows, Article 30 records of processing, privacy notices, DPIAs under Article 35, and transfer safeguards under Articles 44–46—items a security-only SOC 2 scope may never test.
Sequencing advice
For a B2B SaaS company selling into Europe, map data flows and establish GDPR role, lawful basis, DPA, subprocessor, rights-request, retention, and breach-notification processes before treating SOC 2 as the lead program. Build the technical baseline once—SSO/MFA, least privilege, logging, secure changes, backups, vendor reviews—and collect dated evidence for a Type II window. If US enterprise procurement is the immediate blocker, SOC 2 readiness can run first, but GDPR obligations apply from the relevant processing date rather than the report date. Keep privacy counsel decisions separate from the CPA firm’s testing and use one evidence register tagged to both sets of requirements.