This paper aims to address the potential risks associated with e-commerce websites and explore the actions that can mitigate these threats. The rapid growth of cross-border e-commerce has indeed increased web risk, including fraud, data theft, Denial of Service (DoS) attacks. These threats have repercussions for both businesses and users. The findings, through these threats, show the combination of technological solutions, best practices, and policy regulations played an important role in a secure and trustworthy ecommerce environment was significant. It did show that the main idea is to choose the sufficient number of security methods such as encryption, fraud detection systems, and user education programs to ensure the operation of payment transactions on the internet will be safe. Moreover, the paper explores the impact of data protection laws and the validity of implementing emerging technologies like AI and blockchain to minimize fraud and maximize security. The primary focus is to give a complete approach for businesses to protect them and their clients in the digital world.