f the Istio Auth service authentication architecture on Kubernetes.</p><figure style=width:100%><div class=wrapper-with-intrinsic-ratio style=padding-bottom:56.25%><a data-skipendnotes=true href=/v1.2/blog/2017/0.1-auth/./istio_auth_overview.svg title="Istio Auth Overview"><img class=element-to-stretch src=/v1.2/blog/2017/0.1-auth/./istio_auth_overview.svg alt="Istio Auth Overview"></a></div><figcaption>Istio Auth Overview</figcaption></figure><p>The above diagram illustrates three key security features:</p