{"id":"aws-backup-vault-lock-worm-immutability","text":"AWS Backup Vault Lock provides WORM (write-once-read-many) immutability, protecting backups against both accidental and malicious deletion, recovery period changes, or lifecycle modifications.","truth_value":"IN","source":"entries/2026/03/11/amazondynamodb-latest-developerguide-backuprestore_HowItWorksAWShtml.md","source_url":"","source_hash":"27813d824116c2e7","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"aws-backup-vault-lock-worm-immutability","truth_value":"IN","reason":"premise"}]}}