 task shows you how to integrate a Vault Certificate Authority with Istio for mutual TLS." href=/v1.1/docs/tasks/security/vault-ca/>Istio Vault CA Integration</a></li><li role=none><span role=treeitem class=current title="Shows you how to verify and test Istio's automatic mutual TLS authentication.">Mutual TLS Deep-Dive</span></li><li role=none><a role=treeitem title="Shows how operators can configure Citadel with existing root certificate, signing certificate and key." href=/v1.1/docs/tasks/security/plugin