The ERP system supports most of the business system that maintains in a single data-base the data needed for a variety of business functions such as Manufacturing, SCM, Finan-cials, Projects, Human Resources and CRM; the audit of this systems is necessary in order to give reasonable assurance to the company on its core system. Obtained evidence evaluation can ensure whether the organization's IT&C system safeguard assets, maintains data integri-ty, and is operating effectively and efficiently to achieve the organization's goals or objec-tives. The audit process respecting the methodology based on: gathering information and plan; obtaining an understanding of internal controls; performing test of controls and subs-tantive tests, develop a control support on quality of flow of information and knowledge from formal perspective, for Knowledge Management in large enterprises.
Keywords: ERP systems, IT audit, information quality, knowledge management.