The document discusses the implementation of compliance and zero trust principles using Istio Ambient Mesh, a sidecar-less data plane designed to improve performance and simplify operations in cloud-native environments. It emphasizes the importance of a zero trust architecture that requires strict verification of resources and dynamic access control to maintain security in distributed systems. The document also outlines the benefits of Istio Ambient Mesh, including reduced attack surface, operational simplicity, and enhanced security features.