This report delves into the strategic implementation of information systems within The Commonwealth Bank of Australia (CBA). It examines the bank's core business processes, identifies key business requirements, and explores the potential benefits and challenges of adopting Oracle ERP. The report further analyzes the impact of technology on business efficiency, evaluates the effectiveness of technology implementation, and investigates potential security risks and data breaches. Finally, it provides practical guidelines for mitigating these risks and ensuring the secure and efficient operation of CBA's information systems.