rules:
- id: azure-cosmosdb-accounts-restricted-access
  message: >-
    Ensure Cosmos DB accounts have restricted access
  patterns:
  - pattern: resource
  - pattern-not-inside: |
      resource "azurerm_cosmosdb_account" "..." {
      ...
      public_network_access_enabled = false
      ...
      }
  - pattern-not-inside: |
      resource "azurerm_cosmosdb_account" "..." {
      ...
      is_virtual_network_filter_enabled = true
      virtual_network_rule = ...
      ...
      }
  - pattern-not-inside: |
      resource "azurerm_cosmosdb_account" "..." {
      ...
      is_virtual_network_filter_enabled = true
      ip_range_filter = [...]
      ...
      }
  - pattern-inside: |
      resource "azurerm_cosmosdb_account" "..." {
      ...
      }
  metadata:
    owasp:
    - A05:2017 - Broken Access Control
    - A01:2021 - Broken Access Control
    cwe:
    - 'CWE-284: Improper Access Control'
    category: security
    technology:
    - terraform
    - azure
    references:
    - https://owasp.org/Top10/A01_2021-Broken_Access_Control
    subcategory:
    - audit
    likelihood: LOW
    impact: LOW
    confidence: LOW
  languages: [hcl]
  severity: WARNING