Securing Egress Traffic with kgateway, Istio Ambient Mesh, and Kyverno: LFX Mentorship Blog

Modern Kubernetes platforms already secure in-cluster (east–west) communication through service meshes like Istio. But the same rigor rarely applies to outbound (egress) traffic — calls leaving the cluster to reach APIs, model endpoints, or third-party services. Without standardized policies, teams often struggle to track which workloads are reaching out to the internet, whether those requests are properly authorized, and how to enforce consistent authentication without adding custom code in every service.