Explore the challenges of authorization in cloud native applications and discover how OpenFGA, a CNCF sandbox project, offers a solution through a combination of Relationship Based Access Control (ReBAC) and Attribute Based Access Control (ABAC). Learn about the limitations of traditional Role Based Access Control (RBAC) and ABAC implementations, and understand how OpenFGA's centralized approach enables flexible and scalable authorization. Delve into the inner workings of OpenFGA and examine real-world use cases where organizations have successfully implemented this innovative authorization system to address complex access control problems in modern cloud environments.