id: azure-postgres-double-encryption-disabled
info:
  name: Azure PostgreSQL Single Server Double Encryption Not Enabled
  author: princechaddha
  severity: medium
  description: |
    Ensure that infrastructure double encryption is enabled for your Single Server Azure PostgreSQL database servers in order to add a second layer of encryption for your PostgreSQL databases using a different encryption algorithm which provides enhanced data protection.
  impact: |
    Lack of double encryption can lead to inadequate data protection and increased risk of data breach or unauthorized access.
  remediation: |
    Enable infrastructure double encryption on all your Azure PostgreSQL Single Server databases to ensure an additional layer of security.
  reference:
    - https://docs.microsoft.com/en-us/azure/postgresql/concepts-data-security-encryption
  tags: cloud,devops,azure,microsoft,postgresql,azure-cloud-config

flow: |
  code(1);
  for (let ServerData of iterate(template.serverList)) {
    ServerData = JSON.parse(ServerData);
    set("name", ServerData.Name);
    set("resourceGroup", ServerData.ResourceGroup);
    code(2);
  }

self-contained: true
code:
  - engine:
      - sh
      - bash
    source: |
      az postgres server list --output json --query '[*].{"Name":name,"ResourceGroup":resourceGroup}'

    extractors:
      - type: json
        name: serverList
        internal: true
        json:
          - '.[]'

  - engine:
      - sh
      - bash
    source: |
      az postgres server show --name "$name" --resource-group "$resourceGroup" --query 'infrastructureEncryption'

    matchers-condition: and
    matchers:
      - type: word
        words:
          - '"Disabled"'

    extractors:
      - type: dsl
        dsl:
          - 'name + " in " + resourceGroup + " does not have double encryption enabled"'
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