/en/resources/container-security-openshift-cloud-devops-whitepaper>10 Layers</a> of container security. Istio addresses two of these layers: &ldquo;Network Isolation&rdquo; and &ldquo;API and Service Endpoint Management&rdquo;. As cluster federation evolves on Kubernetes and other platforms, our intent is for Istio to secure communications across services spanning multiple federated clusters.</p><h2 id=benefits-of-istio-authentication>Benefits of Istio authentication</h2><p><strong>Defense in depth</strong>