Securing Apache Iceberg Tables with Fine-Grained Row and Column Level Access Control
Read OriginalThis article explains how to implement fine-grained row and column level access control for Apache Iceberg tables. It covers Iceberg's design limitations regarding security, the role of Apache Polaris for catalog-level RBAC and credential vending, row-level security via query engine policies, column masking for PII compliance, and the overall governance stack. It emphasizes that security must be enforced at the catalog or engine layer, not the file format, and highlights the importance of testing access control setups.
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