Update concept-enterprise-security.md

Author: nishankgu

articles/machine-learning/concept-enterprise-security.md

@@ -129,7 +129,10 @@ You can also enable Azure Private Link for your workspace. Private Link allows y
 ### Encryption at rest
 
 > [!IMPORTANT]
-> If your workspace contains sensitive data we recommend setting the [hbi_workspace flag](https://docs.microsoft.com/python/api/azureml-core/azureml.core.workspace(class)?view=azure-ml-py#create-name--auth-none--subscription-id-none--resource-group-none--location-none--create-resource-group-true--sku--basic---friendly-name-none--storage-account-none--key-vault-none--app-insights-none--container-registry-none--cmk-keyvault-none--resource-cmk-uri-none--hbi-workspace-false--default-cpu-compute-target-none--default-gpu-compute-target-none--exist-ok-false--show-output-true-) while creating your workspace. This controls the amount of data Microsoft collects for diagnostic purposes and enables additional encryption in Microsoft managed environments.
+> If your workspace contains sensitive data we recommend setting the [hbi_workspace flag](https://docs.microsoft.com/python/api/azureml-core/azureml.core.workspace(class)?view=azure-ml-py#create-name--auth-none--subscription-id-none--resource-group-none--location-none--create-resource-group-true--sku--basic---friendly-name-none--storage-account-none--key-vault-none--app-insights-none--container-registry-none--cmk-keyvault-none--resource-cmk-uri-none--hbi-workspace-false--default-cpu-compute-target-none--default-gpu-compute-target-none--exist-ok-false--show-output-true-) while creating your workspace. This controls the amount of data Microsoft collects for diagnostic purposes and enables additional encryption in Microsoft managed environments. In addition it enables the following:
+* Starts encrypting the local scratch disk in your Amlcompute cluster provided you have not created any previous clusters in that subscription 
+* Cleans up your local scratch disk between runs
+
 
 For more information on how encryption at rest works in Azure, see [Azure data encryption at rest](https://docs.microsoft.com/azure/security/fundamentals/encryption-atrest).