1 min read · Feb 2026

Audit Trail

An audit trail is a chronological record of the sequence of activities or changes applied to data, a system, or a transaction, enabling reconstruction of events and verification of who did what and when. In financial reporting and data governance contexts, audit trails provide the evidence needed to trace reported numbers back to their source transactions, demonstrate that data transformations were applied correctly, and establish accountability for changes made to financial records. Audit trails are a fundamental requirement for auditable, compliant financial reporting.

Why This Matters

Audit trails are the evidence layer that makes financial reporting verifiable. When an auditor or regulator questions a reported figure, the audit trail provides the chronological record needed to demonstrate how that figure was calculated, what data it was based on, and what transformations were applied. Without complete audit trails, financial reporting cannot withstand external scrutiny — and management cannot investigate reported anomalies with the same rigour.

Where This Fits

This term sits within the Data Governance & AI Readiness area of Performance & Control.

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