This report provides an analysis of Macquarie's strategic information system, focusing on the implementation and challenges of its accounting software. The report begins with an overview of Macquarie's organizational structure, highlighting operational issues and communication gaps within the company. It explores suitable system acquisition methods, particularly the use of ERP systems, and includes a system flowchart illustrating the sales procedures. Furthermore, the report identifies control problems and potential frauds related to the software, discussing the evolution and adoption of accounting software packages, the current market size, and the competitive landscape. It also addresses challenges encountered by users and customers, offering recommendations for software improvements, including enhanced security measures and bug fixes. The report concludes with an assessment of the advancements in accounting management facilitated by new software like ERP and emphasizes the importance of addressing security concerns for maintaining organizational functionality.