Cryptographic Audit Ledger & Chain of Custody
Mathematical sequential HMAC-SHA256 hash chaining, live cryptographic verification, and SOC 2 / ISO 27001 export.
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Sequential Cryptographic Chain of Custody
Traditional database audit logs can be silently modified or truncated by privileged administrators. Sferafy eliminates this vulnerability through sequential cryptographic hash chaining anchored by a tenant-specific master secret.
Each event incorporates the cryptographic seal of the preceding event, creating an unbroken chain where any retroactive modification, deletion, or insertion invalidates all subsequent seals.
Live Cryptographic Verification & Tamper Detection
At '/settings/audit', administrators can execute live on-demand mathematical verification over the entire audit ledger.
If any row is modified, deleted, or backdated, the verification algorithm immediately flags the exact broken block index and identifies the tampering reason.
SOC 2 & ISO 27001 Compliance Exports
For external auditor reviews, Sferafy provides instant, formatted compliance exports in CSV and JSON formats containing event identifiers, actors, actions, timestamps, cryptographic hashes, and structured payloads.