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no-encryption-override

Default Severity: high

Explanation

Athena workgroup configuration should be enforced to prevent client side changes to disable encryption settings.

Possible Impact

Clients can ignore encryption requirements

Suggested Resolution

Enforce the configuration to prevent client overrides

Insecure Example

The following example will fail the aws-athena-no-encryption-override check. 

 resource "aws_athena_workgroup" "bad_example" {
   name = "example"

   configuration {
     enforce_workgroup_configuration    = false
     publish_cloudwatch_metrics_enabled = true

     result_configuration {
       output_location = "s3://${aws_s3_bucket.example.bucket}/output/"

       encryption_configuration {
         encryption_option = "SSE_KMS"
         kms_key_arn       = aws_kms_key.example.arn
       }
     }
   }
 }

 resource "aws_athena_workgroup" "bad_example" {
   name = "example"

 }

Secure Example

The following example will pass the aws-athena-no-encryption-override check. 

 resource "aws_athena_workgroup" "good_example" {
   name = "example"

   configuration {
     enforce_workgroup_configuration    = true
     publish_cloudwatch_metrics_enabled = true

     result_configuration {
       output_location = "s3://${aws_s3_bucket.example.bucket}/output/"

       encryption_configuration {
         encryption_option = "SSE_KMS"
         kms_key_arn       = aws_kms_key.example.arn
       }
     }
   }
 }