{"id":"dynamodb-cross-account-requires-customer-managed-kms","text":"Cross-account access to DynamoDB tables via resource-based policies does not work with AWS managed KMS keys — customer-managed KMS keys are required because AWS managed key policies cannot grant cross-account access.","truth_value":"IN","source":"entries/2026/03/11/amazondynamodb-latest-developerguide-rbac-considerationshtml.md","source_url":"","source_hash":"38849ffee9ba1039","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"dynamodb-cross-account-requires-customer-managed-kms","truth_value":"IN","reason":"premise"}]}}