AWS Kinesis Firehose Delivery Streams are not encrypted with CMK misconfiguration detected in code

Rule Details

Cortex AppSec Rule ID	APPSEC_AWS_241
Category - Subcategory	Storage - Encryption
Provider	AWS
Severity	LOW
Framework	Terraform

Impact

This rule identifies Elastic File Systems (EFSs) which are encrypted with default KMS keys and not with Keys managed by Customer. It is a best practice to use customer managed KMS Keys to encrypt your EFS data. It gives you full control over the encrypted data.

How to Fix

Resource: aws_kinesis_firehose_delivery_stream

• Arguments: s3_configuration.server_side_encryption.key_arn [source,go]

---

resource "aws_kinesis_firehose_delivery_stream" "pass" { name = "terraform-kinesis-firehose-test-stream" destination = "s3"

s3_configuration { role_arn = aws_iam_role.firehose_role.arn bucket_arn = aws_s3_bucket.bucket.arn }

server_side_encryption { enabled=true #default is false key_type = "CUSTOMER_MANAGED_CMK" key_arn = aws_kms_key.example.arn } tags = { test = "failed" } }