International data transfers use SCCs, adequacy decisions, or other lawful mechanisms
Why it matters
GDPR Chapter V (Arts. 44–46) prohibits transferring EU personal data outside the EU/EEA unless a lawful transfer mechanism is in place — adequacy decision, Standard Contractual Clauses, or Binding Corporate Rules. Most AI-built applications transfer EU data to the US routinely: a US-hosted database, US-based analytics, a US email provider. Each transfer without a documented mechanism is an independent violation. Post-Schrems II, relying on 'the vendor is reputable' is not a legal basis. Standard Contractual Clauses are included in most major vendor DPAs — but only if those DPAs are accepted. Undocumented transfers are also a disclosure failure under Art. 13(1)(f).
Severity rationale
Low because most transfers are covered by SCCs embedded in accepted vendor DPAs — the primary risk is documentation failure rather than actual data exposure, but undocumented transfers remain an independent Art. 44 violation.
Remediation
Map every international data transfer and confirm the transfer mechanism for each. Document the findings in your privacy policy.
## International Transfers — Transfer Mechanism Audit
| Service | Data Location | Mechanism | Status |
|---------------|---------------|----------------------------------|-----------|
| Supabase DB | EU (eu-west-1)| No transfer — EU hosted | Confirmed |
| Stripe | US | SCCs (included in Stripe DPA) | DPA accepted 2026-01-15 |
| SendGrid | US | SCCs (included in SendGrid DPA) | DPA accepted 2026-01-15 |
| Google GA4 | US | SCCs + EU-US DPF participation | Accepted via GA Admin |
| Vercel CDN | Global | SCCs (Vercel DPA) | DPA accepted 2026-01-15 |
Add to your privacy policy: "We transfer personal data to the United States. Transfers are governed by Standard Contractual Clauses approved by the European Commission, or the EU-US Data Privacy Framework where applicable." Consider EU-region database hosting (Supabase eu-central-1, AWS eu-west-1) to reduce transfer scope.
DetectionPro
The detection method for this pattern is part of AuditBuffet Pro.
The full method (what to look for, pass and fail conditions, and how results get reported) ships inside the GDPR Readiness Audit. The pattern definition, severity rationale, and remediation remain openly licensed under CC-BY-4.0.
External references
- gdpr · Art. 44 — General principle for transfers
- gdpr · Art. 45 — Transfers on the basis of an adequacy decision
- gdpr · Art. 46 — Transfers subject to appropriate safeguards (SCCs)
Taxons
History
- 2026-04-18·v1.0.0·Initial import from gdpr-readiness·automated