<ul><li><p>Administrators can configure who has access to a Service Account by using the <a href=https://kubernetes.io/docs/reference/access-authn-authz/rbac/>RBAC</a> feature introduced in Kubernetes 1.6</p></li><li><p>Flexibility to identify a human user, a service, or a group of services</p></li><li><p>Stability of the service identity for dynamically placed and auto-scaled workloads</p></li></ul><h3 id=communication-security>Communication security</h3><p>Service-to-service communication is tunneled thro