The effective management of Segregation of Duties (SoD) in Enterprise Resource Planning(ERP) systems is critical for ensuring robust internal controls and mitigating risks associatedwith fraud and error. This article provides IT auditors with a comprehensive technicalframework for auditing and testing SoD controls within complex ERP environments. Ithighlights key concepts such as risk assessment, role-based access control, and theimplementation of effective preventive and detective controls. This article discusses commonSoD violations, including conflicting roles that can compromise data integrity and security. Byutilizing advanced techniques like process mining and user behavior analytics, auditors canidentify and analyze potential risks more effectively. Furthermore, the guide emphasizes theimportance of continuous monitoring and periodic reviews of user access to maintain a secureenvironment. Key tools and methodologies are discussed, including automated compliancechecks and reporting mechanisms that facilitate real-time monitoring. In addition, the articleunderscores the significance of training and awareness programs to foster a culture ofcompliance among users. Ultimately, this guide aims to equip IT auditors with the knowledgeand skills necessary to enhance SoD practices, thus safeguarding organizational assets andpromoting regulatory compliance. Keywords: ERP systems, internal controls, IT auditors, risk assessment, role-based accesscontrol, preventive controls, detective controls, SoD violations, conflicting roles, dataintegrity, security, process mining, continuous monitoring, periodic reviews, user access,automated compliance checks, reporting mechanisms, training, compliance culture, regulatorycompliance.