last sync: 2021-Sep-24 16:09:49 UTC

Azure Policy definition

Subnets should be associated with a Network Security Group

Name Subnets should be associated with a Network Security Group
Azure Portal
Id e71308d3-144b-4262-b144-efdc3cc90517
Version 3.0.0
details on versioning
Category Security Center
Microsoft docs
Description Protect your subnet from potential threats by restricting access to it with a Network Security Group (NSG). NSGs contain a list of Access Control List (ACL) rules that allow or deny network traffic to your subnet.
Mode All
Type BuiltIn
Preview FALSE
Deprecated FALSE
Effect Default: AuditIfNotExists
Allowed: (AuditIfNotExists, Disabled)
Used RBAC Role none
History none
Used in Initiatives
Initiative DisplayName Initiative Id Initiative Category State
[Deprecated]: Azure Security Benchmark v1 42a694ed-f65e-42b2-aa9e-8052e9740a92 Regulatory Compliance Deprecated
[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
[Preview]: NIST SP 800-53 Rev. 5 179d1daa-458f-4e47-8086-2a68d0d6c38f Regulatory Compliance Preview
Azure Security Benchmark 1f3afdf9-d0c9-4c3d-847f-89da613e70a8 Security Center GA
CIS Microsoft Azure Foundations Benchmark v1.1.0 1a5bb27d-173f-493e-9568-eb56638dde4d Regulatory Compliance GA
FedRAMP High d5264498-16f4-418a-b659-fa7ef418175f Regulatory Compliance GA
FedRAMP Moderate e95f5a9f-57ad-4d03-bb0b-b1d16db93693 Regulatory Compliance GA
HITRUST/HIPAA a169a624-5599-4385-a696-c8d643089fab Regulatory Compliance GA
New Zealand ISM Restricted d1a462af-7e6d-4901-98ac-61570b4ed22a Regulatory Compliance GA
NIST SP 800-53 Rev. 4 cf25b9c1-bd23-4eb6-bd2c-f4f3ac644a5f Regulatory Compliance GA
JSON
{
  "displayName": "Subnets should be associated with a Network Security Group",
  "policyType": "BuiltIn",
  "mode": "All",
  "description": "Protect your subnet from potential threats by restricting access to it with a Network Security Group (NSG). NSGs contain a list of Access Control List (ACL) rules that allow or deny network traffic to your subnet.",
  "metadata": {
    "version": "3.0.0",
    "category": "Security Center"
  },
  "parameters": {
    "effect": {
      "type": "String",
      "metadata": {
        "displayName": "Effect",
        "description": "Enable or disable the execution of the policy"
      },
      "allowedValues": [
        "AuditIfNotExists",
        "Disabled"
      ],
      "defaultValue": "AuditIfNotExists"
    }
  },
  "policyRule": {
    "if": {
      "field": "type",
      "equals": "Microsoft.Network/virtualNetworks/subnets"
    },
    "then": {
      "effect": "[parameters('effect')]",
      "details": {
        "type": "Microsoft.Security/assessments",
        "name": "eade5b56-eefd-444f-95c8-23f29e5d93cb",
        "existenceCondition": {
          "field": "Microsoft.Security/assessments/status.code",
          "in": [
            "NotApplicable",
            "Healthy"
          ]
        }
      }
    }
  }
}