With the growth of cloud native applications, developers increasingly rely on APIs to make everything work. But security often lags behind, making APIs an attractive target for bad actors looking to access valuable business data. OAuth, a powerful framework for API security, offers tools to protect sensitive business data and enforce dynamic access controls. But to harness its full potential, you need more than standards—you need strategies for adapting to evolving security demands. Designed for developers, architects, and security professionals, this guide provides everything you need to secure APIs in the cloud native era—ensuring your business data stays protected. Youll learn how to combine OAuths token-based model with cloud native platforms like Kubernetes to build a scalable, zero trust security architecture. With OAuth, you can go beyond simple allow/deny rules and create security policies that align with business needs, while Kubernetes provides best-in-class deployment patterns to keep systems secure and efficient. Understand why user identity must be part of your cloud native security stack Discover how to integrate user identity into APIs Learn to externalize security and secure data access using OAuth Uncover methods for running security components in a Kubernetes cluster Get the latest security best practices for client applications and APIs