last sync: 2021-Jan-27 16:54:46 UTC

Azure Policy definition

[Preview]: Storage account public access should be disallowed

Name [Preview]: Storage account public access should be disallowed
Azure Portal
Id 4fa4b6c0-31ca-4c0d-b10d-24b96f62a751
Version 2.0.1-preview
details on versioning
Category Storage
Microsoft docs
Description Anonymous public read access to containers and blobs in Azure Storage is a convenient way to share data but might present security risks. To prevent data breaches caused by undesired anonymous access, Microsoft recommends preventing public access to a storage account unless your scenario requires it.
Mode Indexed
Type BuiltIn
Preview True
Deprecated FALSE
Effect Default: audit
Allowed: (audit, deny, disabled)
Used RBAC Role none
History
Date/Time (UTC ymd) (i) Change type Change detail
2020-12-11 15:42:52 change Patch, suffix remains equal (2.0.0-preview > 2.0.1-preview)
2020-11-10 16:00:42 change Major, suffix remains equal (1.0.1-preview > 2.0.0-preview)
2020-08-27 15:39:26 add 4fa4b6c0-31ca-4c0d-b10d-24b96f62a751
Used in Initiatives
Initiative DisplayName Initiative Id Initiative Category State
[Deprecated]: Azure Security Benchmark v2 bb522ac1-bc39-4957-b194-429bcd3bcb0b Regulatory Compliance Deprecated
[Preview]: CMMC Level 3 b5629c75-5c77-4422-87b9-2509e680f8de Regulatory Compliance Preview
CIS Microsoft Azure Foundations Benchmark 1.1.0 1a5bb27d-173f-493e-9568-eb56638dde4d Regulatory Compliance GA
Enable Monitoring in Azure Security Center 1f3afdf9-d0c9-4c3d-847f-89da613e70a8 Security Center GA
JSON Changes

Json
{
  "properties": {
  "displayName": "[Preview]: Storage account public access should be disallowed",
    "policyType": "BuiltIn",
    "mode": "Indexed",
    "description": "Anonymous public read access to containers and blobs in Azure Storage is a convenient way to share data but might present security risks. To prevent data breaches caused by undesired anonymous access, Microsoft recommends preventing public access to a storage account unless your scenario requires it.",
    "metadata": {
      "version": "2.0.1-preview",
      "category": "Storage",
      "preview": true
    },
    "parameters": {
      "effect": {
        "type": "String",
        "metadata": {
        "displayName": "[Preview]: Effect",
          "description": "The effect determines what happens when the policy rule is evaluated to match"
        },
        "allowedValues": [
          "audit",
          "deny",
          "disabled"
        ],
        "defaultValue": "audit"
      }
    },
    "policyRule": {
      "if": {
        "allOf": [
          {
            "field": "type",
            "equals": "Microsoft.Storage/storageAccounts"
          },
          {
            "field": "id",
            "notContains": "/resourceGroups/databricks-rg-"
          },
          {
            "not": {
              "field": "Microsoft.Storage/storageAccounts/allowBlobPublicAccess",
              "equals": "false"
            }
          }
        ]
      },
      "then": {
      "effect": "[parameters('effect')]"
      }
    }
  },
  "id": "/providers/Microsoft.Authorization/policyDefinitions/4fa4b6c0-31ca-4c0d-b10d-24b96f62a751",
  "type": "Microsoft.Authorization/policyDefinitions",
  "name": "4fa4b6c0-31ca-4c0d-b10d-24b96f62a751"
}