{
  "@context": "https://schema.org",
  "@type": "Dataset",
  "name": "Backup Policy 3-2-1-1-0",
  "dateModified": "2026-06-03T04:53:07.914Z",
  "license": "CC-BY-4.0",
  "rule": "3 copies, 2 media types, 1 offsite, 1 immutable, 0 errors verified",
  "schedules": {
    "database": "continuous WAL + 15-min snapshots + daily full + monthly archive",
    "storage": "real-time S3 cross-region replication (SG→BKK→DUB) + Glacier Deep Archive 10yr",
    "config": "GitOps every commit + signed tags (Sigstore)"
  },
  "encryption": "AES-256-GCM at rest, TLS 1.3 in transit, customer-managed keys (AWS KMS + HashiCorp Vault HSM)",
  "immutability": "S3 Object Lock COMPLIANCE mode 7yr (PDPA+revenue tax 5yr+buffer)",
  "testing": "monthly restore drill — last verified 2026-05-28 success rate 100% (412/412 objects)",
  "retentionYears": {
    "transactional": 7,
    "audit": 10,
    "document_artifacts": 10,
    "marketing": 2,
    "telemetry": 1
  }
}