Kubernetes network segmentation using native controls

Kubernetes network segmentation has evolved to leverage native controls, such as IP Tables and access control lists, to streamline and simplify the process of service-to-service communication within cloud-native environments. Unlike traditional methods that required coordination between multiple teams and complex rule management, Kubernetes allows developers to define access controls using a declarative language and integrate security policies directly into the development cycle, thus enhancing application development speed and reducing complexity. While native controls offer significant advantages by eliminating the need for external solutions and reducing the risk of vendor lock-in, challenges remain in maintaining and modifying network policies to accommodate the dynamic nature of cloud environments. As the landscape progresses, new tools, like the one released by Sysdig, aim to simplify the creation and management of Kubernetes network policies, ensuring that developers can efficiently embed security into their workflows while maintaining the agility of their applications.