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Kinesis stream is unencrypted.

Default Severity: high

Explanation

Kinesis streams should be encrypted to ensure sensitive data is kept private. Additionally, non-default KMS keys should be used so granularity of access control can be ensured.

Possible Impact

Intercepted data can be read in transit

Suggested Resolution

Enable in transit encryption

Insecure Example

The following example will fail the aws-kinesis-enable-in-transit-encryption check. 

 resource "aws_kinesis_stream" "bad_example" {
    encryption_type = "NONE"
 }

Secure Example

The following example will pass the aws-kinesis-enable-in-transit-encryption check. 

 resource "aws_kinesis_stream" "good_example" {
    encryption_type = "KMS"
    kms_key_id = "my/special/key"
 }