rules:
- id: aws-sqs-queue-unencrypted
  patterns:
  - pattern: |
      resource "aws_sqs_queue" $ANYTHING {
        ...
      }
  - pattern-not: |
      resource "aws_sqs_queue" $ANYTHING {
        ...
        sqs_managed_sse_enabled = true
        ...
      }
  - pattern-not: |
      resource "aws_sqs_queue" $ANYTHING {
        ...
        kms_master_key_id = ...
        ...
      }
  message: >-
    The AWS SQS queue contents are unencrypted. The data could be read if compromised.
    Enable server-side encryption for your queue using SQS-managed encryption keys
    (SSE-SQS), or using your own AWS KMS key (SSE-KMS).
  languages:
  - hcl
  severity: WARNING
  metadata:
    category: security
    technology:
    - terraform
    - aws
    owasp:
    - A03:2017 - Sensitive Data Exposure
    - A04:2021 - Insecure Design
    cwe:
    - 'CWE-311: Missing Encryption of Sensitive Data'
    references:
    - https://owasp.org/Top10/A04_2021-Insecure_Design
    - https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/sqs_queue#server-side-encryption-sse
    - https://docs.aws.amazon.com/AWSSimpleQueueService/latest/SQSDeveloperGuide/sqs-server-side-encryption.html
    subcategory:
    - audit
    likelihood: LOW
    impact: MEDIUM
    confidence: LOW