Explore the fundamentals of securing cloud-native resources using Open Policy Agent (OPA) in this 16-minute conference talk from DevConf.CZ 2024. Dive into the world of policy-based control for cloud-native architectures, learning how OPA provides a flexible and extensible framework for implementing fine-grained, declarative policies across the entire stack. Discover practical strategies for enforcing security policies, integrating OPA with popular technologies like Kubernetes, and enhancing the resilience and integrity of cloud-native deployments. Gain valuable insights from speaker Boran SEREF on leveraging OPA to ensure security and compliance in dynamic cloud environments.