Explore the balance between centralized and decentralized permissions in modern business applications through this insightful 51-minute conference talk from the RSA Conference. Learn from AWS's Sarah Cecchetti and Microsoft's Pieter Kasselman as they share their extensive experience with thousands of authorization schemas. Discover how to design permission structures that are fast, flexible, and globally reliable while addressing the conflicting needs of edge applications requiring quick local policy decisions and large organizations demanding uniform security guardrails. Gain valuable insights into creating a permissions framework that effectively combines centralized and decentralized approaches for optimal security and performance.