Mobile apps have become a popular way for people to make purchases but they also come with security risks. Some common security risks associated with mobile app purchases include insecure communication, data storage, and authentication. Attackers can potentially intercept data transmitted between the app and server, access sensitive information stored on devices if lost or stolen, gain unauthorized access to user accounts through weak authentication mechanisms, install malicious software on devices to steal information or perform other malicious actions, or use social engineering techniques to trick users into revealing sensitive information. To mitigate these risks, it is important to use mobile apps from trusted sources and keep them up-to-date, be cautious when entering sensitive information into mobile apps, avoid using public Wi-Fi networks when making purchases, and enable two-factor authentication whenever possible.