{"id":"backup-vault-requires-kms-key","text":"Each AWS Backup vault requires an AWS KMS encryption key at creation time; some backups are encrypted by the vault's KMS key while others are encrypted by their source AWS service.","truth_value":"IN","source":"entries/2026/03/12/aws-backup-latest-devguide-vaultshtml.md","source_url":"","source_hash":"ebdb3314f807e059","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"backup-vault-requires-kms-key","truth_value":"IN","reason":"premise"}]}}