Matching is a validation step that compares data extracted from a document against expected business records, such as an order, invoice, supplier profile, or ERP entry. The goal is to confirm that key fields agree before the workflow continues. Typical checks include invoice numbers, amounts, dates, customer IDs, and item lines.
In cyber security, matching matters because it protects data integrity at a control point where automation can silently make decisions. If the comparison is weak, an attacker or insider may slip altered values through document workflows, causing wrong payments, bad postings, or unauthorized approvals. Strong matching rules, exception handling, and audit logs help defenders spot discrepancies, force human review, and prove that automated processing was based on trusted records. In modern document AI systems, matching is often the step that turns extraction into a business action.



