Keyspaces tables should use KMS encryption

Description

Amazon Keyspaces tables should have encryption at rest enabled to protect stored data and meet compliance requirements for managed Cassandra workloads. AWS owned keys (the default), AWS managed KMS keys, and customer managed KMS keys are all acceptable. This rule verifies that encryption at rest is not explicitly disabled.

Remediation

Ensure encryption at rest is enabled on the table. AWS owned keys, AWS managed KMS keys, and customer managed KMS keys are all acceptable. For guidance, see Encryption at rest for Amazon Keyspaces.