Explore advanced governance and authentication patterns for building secure, enterprise-grade applications with Databricks Apps in this 27-minute conference talk. Learn how to configure complex permissions and manage access control using Unity Catalog, diving deep into "on-behalf-of-user" authentication that allows agents to enforce user-specific access controls. Discover API-based authentication techniques, including Personal Access Tokens (PATs) and OAuth flows for external integrations. Examine real-world implementation through Addepar's case study, showcasing how these capabilities enable secure building and scaling of applications that handle sensitive financial data. Master the patterns and tools necessary to ensure robust, secure access control whether you're developing internal tools or customer-facing applications within the Databricks ecosystem.