 to
isolate workloads from one another and secure them individually.
<a href=/v1.21/docs/concepts/security/#authorization>Istio&rsquo;s authorization feature</a>, also known as Istio Role Based Access Control,
provides micro-segmentation for services in an Istio mesh. It features:</p><ul><li>Authorization at different levels of granularity, including namespace level, service level, and method level.</li><li>Service-to-service and end-user-to-service authorization.</li><li>High performance, as it is enforced