rules:
- id: gcp-memory-store-for-redis-intransit-encryption
  patterns:
  - pattern: |
      resource "google_redis_instance" $ANYTHING {
        ...
      }
  - pattern-not-inside: |
      resource "google_redis_instance" $ANYTHING {
        ...
        transit_encryption_mode = "SERVER_AUTHENTICATION"
        ...
      }
  message: Ensure Memorystore for Redis uses intransit encryption
  languages: [hcl]
  severity: WARNING
  metadata:
    owasp:
    - A05:2017 - Broken Access Control
    - A01:2021 - Broken Access Control
    cwe:
    - 'CWE-284: Improper Access Control'
    technology:
    - terraform
    - gcp
    category: security
    references:
    - https://owasp.org/Top10/A01_2021-Broken_Access_Control
    subcategory:
    - audit
    likelihood: LOW
    impact: LOW
    confidence: LOW