For high-security environments (finance, healthcare), systems use cryptographic chaining . Each log entry contains the hash of the previous entry. If one line is changed, all subsequent hashes break—instantly revealing tampering.
The collector writes records to a WORM repository —often an object lock-enabled S3 bucket, a blockchain ledger, or a dedicated SIEM (Security Information and Event Management) database. Once committed, even the database admin cannot delete rows without triggering an alert. it audit trail
Applications, databases, and OS kernels emit raw events (Syslog, Windows Event Log, JSON). The collector writes records to a WORM repository
Treat your audit trail not as a log file, but as a . The clarity it provides after an incident is often the difference between a minor disclosure and a catastrophic bankruptcy. Note: Laws and compliance standards vary by jurisdiction. Always consult with legal counsel and a certified IT auditor (CISA) for specific organizational requirements. Treat your audit trail not as a log file, but as a