CONTENT
Introduction Line 3 Internal Audit in a D365FO-Centric Environment Independent Assurance Through System Evidence Reviewing Transaction and Ledger Integrity Validating Control Execution and Effectiveness Sampling and Testing High-Risk Transactions Auditing Configuration Changes and Access History Leveraging Reporting and Data Extraction Tools
A Third Line Scenario: From Audit Request to Finding Conclusion |
INTRODUCTION
The Third Line of Defense within the Three Lines of Defense (3LoD) model is responsible for independent assurance. Unlike Line 1 (which executes controls) and Line 2 (which monitors and oversees), Line 3 evaluates whether the control framework is designed appropriately, operating effectively, and aligned with the organization’s compliance obligations.
In a Microsoft Dynamics 365 Finance & Operations (D365FO) environment, Line 3 does not create workflows, assign roles, or approve transactions. Instead, Internal Audit uses the system’s data, logs, and reports to test and verify that Lines 1 and 2 are performing their responsibilities and that risks are being managed within tolerance.
This article focuses on how internal audit teams can use D365FO’s capabilities—alongside standard audit methodologies—to perform independent reviews and produce evidence-based assurance for stakeholders such as the audit committee, regulators, and external auditors.
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