policy to the supported v1beta1 version.</p></div><div class=entry><p class=link><a data-skipendnotes=true href=/v1.20/blog/2019/app-identity-and-access-adapter/>App Identity and Access Adapter</a></p><p class=desc>Using Istio to secure multi-cloud Kubernetes applications with zero code changes.</p></div><div class=entry><p class=link><a data-skipendnotes=true href=/v1.20/docs/tasks/security/authentication/authn-policy/>Authentication Policy</a></p><p class=desc>Shows you how to use Istio authentication pol