Data Warehouse Architecture for Regulated Industries: Medallion, Data Vault, and Compliance

Data Vault 2.0

The modelling methodology that provides the audit lineage regulated data platforms require by design

Medallion architecture (Bronze/Silver/Gold) has become the default data platform pattern â€” but in regulated environments, each layer has distinct compliance requirements. Bronze contains raw ingested data including unmasked PHI or PAN data. Silver contains cleansed, conformed data. Gold contains business-ready aggregates. PHI must be segregated and access-controlled differently at each layer. Row-level security enforces regulatory boundaries. Data Vault 2.0 provides the auditability lineage that SOX and HIPAA auditors actually follow. What auditors look for in a regulated data platform is specific and rarely what engineering teams build.

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Data Warehouse Architecture for Regulated Industries: Medallion, Data Vault, and Compliance

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