auto_set_contact_details.json

{
  "type": "Microsoft.Authorization/policyDefinitions",
  "name": "auto_set_contact_details",
  "properties": {
    "displayName": "Set Security Center contact email address and phone number on Subscriptions",
    "description": "Automatically set the security contact email address and phone number should they be blank on the subscription",
    "metadata": {
      "category": "Security Center"
    },
    "parameters": {
      "effect": {
        "type": "String",
        "metadata": {
          "displayName": "Effect",
          "description": "Enable or disable the execution of the policy"
        },
        "allowedValues": [
          "DeployIfNotExists",
          "AuditIfNotExists",
          "Disabled"
        ],
        "defaultValue": "DeployIfNotExists"
      },
      "securityContactsEmail": {
        "type": "String",
        "defaultValue": "",
        "metadata": {
          "displayName": "The email of the Security Center Contact.",
          "description": "The email of the Security Center Contact."
        }
      },
      "securityContactsPhone": {
        "type": "String",
        "defaultValue": "",
        "metadata": {
          "displayName": "The phone number of the Security Center Contact.",
          "description": "The phone number of the Security Center Contact."
        }
      }
    },
    "policyRule": {
      "if": {
        "field": "type",
        "equals": "Microsoft.Resources/subscriptions"
      },
      "then": {
        "effect": "[parameters('effect')]",
        "details": {
          "type": "Microsoft.Security/securityContacts",
          "deploymentScope": "subscription",
          "existenceScope": "subscription",
          "roleDefinitionIds": [
            "/providers/microsoft.authorization/roleDefinitions/b24988ac-6180-42a0-ab88-20f7382dd24c"
          ],
          "existenceCondition": {
            "anyOf": [
              {
                "field": "Microsoft.Security/securityContacts/email",
                "equals": "[parameters('securityContactsEmail')]"
              },
              {
                "field": "Microsoft.Security/securityContacts/phone",
                "equals": "[parameters('securityContactsPhone')]"
              }
            ]
          },
          "deployment": {
            "location": "uksouth",
            "properties": {
              "mode": "incremental",
              "parameters": {
                "securityContactsEmail": {
                  "value": "[parameters('securityContactsEmail')]"
                },
                "securityContactsPhone": {
                  "value": "[parameters('securityContactsPhone')]"
                }
              },
              "template": {
                "$schema": "http://schema.management.azure.com/schemas/2015-01-01/deploymentTemplate.json#",
                "contentVersion": "1.0.0.0",
                "parameters": {
                  "securityContactsEmail": {
                    "type": "String"
                  },
                  "securityContactsPhone": {
                    "type": "String"
                  }
                },
                "variables": {},
                "resources": [
                  {
                    "type": "Microsoft.Security/securityContacts",
                    "name": "default",
                    "apiVersion": "2017-08-01-preview",
                    "properties": {
                      "email": "[parameters('securityContactsEmail')]",
                      "phone": "[parameters('securityContactsPhone')]",
                      "alertNotifications": "On",
                      "alertsToAdmins": "On"
                    }
                  }
                ]
              }
            }
          }
        }
      }
    }
  }
}