Ensure Amazon Kinesis streams are utilizing KMS CMK customer-managed keys instead of AWS managed-keys (i.e. default encryption keys created by Amazon for Kinesis service) in order to have more granular control over your data streams encryption/decryption process. Kinesis is an AWS streaming data service that provides you with the ability to build and manage your own streaming data applications for specialized needs. An AWS Kinesis stream is an ordered sequence of data records collected within a dedicated storage layer.
When you use your own AWS KMS CMK customer-managed keys to encrypt your Amazon Kinesis streams data, you obtain full control over who can use the CMK keys to access this data. The AWS KMS service allows you to create, rotate, disable, enable, and audit the Customer Master Keys (CMKs) applied to your Kinesis streams.
To determine if KMS CMK customer-managed keys are used to encrypt your AWS Kinesis streams data as opposed to default keys, perform the following:
To use your own AWS KMS CMK customer-managed keys to encrypt Amazon Kinesis streams data, perform the following: