remote script integrity

Author: mumian

articles/azure-resource-manager/templates/deployment-script-template.md

@@ -5,7 +5,7 @@ services: azure-resource-manager
 author: mumian
 ms.service: azure-resource-manager
 ms.topic: conceptual
-ms.date: 04/03/2020
+ms.date: 04/06/2020
 ms.author: jgao
 
 ---
@@ -187,6 +187,8 @@ To see an example, select [here](https://github.com/Azure/azure-docs-json-sample
 
 The external script files must be accessible.  To secure your script files that are stored in Azure storage accounts, see [Tutorial: Secure artifacts in Azure Resource Manager template deployments](./template-tutorial-secure-artifacts.md).
 
+You are responsible for ensuring the integrity of the scripts that are referenced by deployment script, either **PrimaryScriptUri** or **SupportingScriptUris**.  Reference only scripts that you trust.
+
 ## Use supporting scripts
 
 You can separate complicated logics into one or more supporting script files. The `supportingScriptURI` property allows you to provide an array of URIs to the supporting script files if needed: