This report provides a comprehensive analysis of the Equifax data breach, examining the importance of business ethics at both academic and managerial levels. It delves into the implications of the breach, exploring corporate governance failures and the impact on stakeholders. The report evaluates different sustainability and responsibility concepts, including corporate social responsibility (CSR) and Carroll's pyramid model, in the context of Equifax's actions. Furthermore, it assesses ethical approaches, such as normative and descriptive business ethics, to understand the ethical dimensions of the breach. The analysis extends to stakeholder perspectives, considering how various parties viewed the company's behavior. The report concludes with a discussion of the ethical implications of the Equifax data breach and recommendations for improved business practices, emphasizing the importance of data protection, transparency, and ethical decision-making.