This report examines the findings of the Australian Prudential Regulation Authority (APRA) inquiry into the Commonwealth Bank of Australia (CBA). It identifies key problems related to governance, accountability, and culture within CBA, and assesses their impact on financial intermediaries and customers. The report analyzes the role of regulation in addressing these issues, including actions taken by financial firms to identify and resolve problems. It evaluates the success of these action plans and demonstrates practices the financial service industry can adopt to improve in the future. The study emphasizes the importance of sound corporate governance, effective risk management, and clear accountability to ensure the long-term viability and sustainability of financial institutions. The report concludes by summarizing the key issues and findings of the inquiry, highlighting the need for continued efforts to improve the financial services industry.