rules:
- id: azure-cosmosdb-have-cmk
  message: >-
    Ensure that Cosmos DB accounts have customer-managed keys to encrypt data at rest
  patterns:
  - pattern: resource
  - pattern-not-inside: |
      resource "azurerm_cosmosdb_account" "..." {
      ...
      key_vault_key_id = ...
      ...
      }
  - pattern-inside: |
      resource "azurerm_cosmosdb_account" "..." {
      ...
      }
  metadata:
    owasp:
    - A03:2017 - Sensitive Data Exposure
    cwe:
    - 'CWE-320: CWE CATEGORY: Key Management Errors'
    category: security
    technology:
    - terraform
    - azure
    references:
    - https://owasp.org/Top10/A02_2021-Cryptographic_Failures
    subcategory:
    - audit
    likelihood: LOW
    impact: LOW
    confidence: LOW
  languages: [hcl]
  severity: WARNING