Abstract: With the growing dependence of organizations on cloud technology for their operations safeguarding' valuable data like credit card details has emerged as a worry. This study delves into how native methods impact the security of data, particularly delving into the security measures provided by Amazon Web Services (AWS). Financial apps can enhance security by using AWS tools, like I AM and KMS alongside GuardDuty and WAF to safeguard both stored and transmitted information with a security framework. This research explores how AWS follows compliance rules such as PCI DSS to meet security regulations. Furthermore, the article examines examples to showcase how AWS security measures are utilized to protect information. Lastly the study delves into trends, like incorporating AI and machine learning for identifying fraud and new technologies such as serverless architecture and block chain that are set to improve cloud based security strategies for institutions. The results indicate that AWS provides a foundation for securing data while offering scalability and adapting to changing security requirements.