Configure Bigquery Authorized Views Least Privilege Access

What Authorized Views and Least-Privilege IAM Are

BigQuery Authorized Views allow data administrators to share query results and aggregated subsets of data with specific principals or visualization tools without providing them direct access to the underlying source tables or datasets. Security is maintained through Google Cloud's Identity and Access Management (IAM) and BigQuery's dataset authorization framework.

How it meets the requirements

• Restricts direct access to underlying source data: Creating the view in a distinct dataset (customer_analytics) and granting the view authorization on the source dataset (customer_master) allows BigQuery to read base table data on behalf of the authorized view. The analysts never receive permissions on customer_master.
• Enables querying and job execution: Assigning the roles/bigquery.user role at the project level gives analysts the necessary bigquery.jobs.create permission to execute interactive queries and run reporting jobs.
• Enforces least privilege on visualization data: Granting roles/bigquery.dataViewer on the customer_analytics dataset (or directly on the view) enables analysts and BI connectors to read the view definition and its query output without exposing raw source tables.

Key advantages and capabilities

• Decoupled Data Security: Prevents inadvertent base table modification or sensitive column exposure while preserving analytical capability.
• Managed Delegation: BigQuery handles access translation internally when evaluating authorized view queries, removing the need for broad dataset grants.
• Audit Traceability: Query execution and data access logs are recorded accurately while respecting row/column abstractions.
• Seamless BI Integration: Standard SQL and BI dashboard engines connect directly using user or service account credentials without special proxy pipelines.

Why this is optimal

This approach adheres strictly to the principle of least privilege. The data analysts can execute queries and view authorized output, but cannot view, query, or enumerate raw records in the source dataset.