rules:
- id: elastic-search-encryption-at-rest
  patterns:
  - pattern: |
      resource
  - pattern-not-inside: |
      resource "aws_elasticsearch_domain" "..."{
        ...
        encrypt_at_rest{
          ...
          enabled = true
          ...
        }
        ...
      }
  - pattern-inside: |
      resource "aws_elasticsearch_domain" "..." {...}
  languages:
  - hcl
  message: >-
    Encryption at rest is not enabled for the elastic search domain resource
  severity: WARNING
  metadata:
    category: security
    cwe:
    - 'CWE-311: Missing Encryption of Sensitive Data'
    technology:
    - terraform
    - aws
    owasp:
    - A03:2017 - Sensitive Data Exposure
    - A04:2021 - Insecure Design
    references:
    - https://owasp.org/Top10/A04_2021-Insecure_Design
    subcategory:
    - audit
    likelihood: LOW
    impact: LOW
    confidence: LOW