随着移动通信技术的提高和智能移动终端的普及,移动社交网络已经在人们生活中扮演着重要角色,给人们带来了极大便利。但是移动社交网络在用户信息泄露和移动支付安全方面的问题,严重威胁着用户的隐私和财产安全。本文从社交网络中用户信息泄漏和移动支付安全两个方面,详细分析了用户隐私泄漏和威胁移动支付安全的主要方式,并给出了相应的防护建议。 With the improvement of mobile communication technology and the popularization of intelligent mobile terminals, mobile social networks have played an important role in people’s lives and have brought great convenience to people. However, mobile social networks in the user information disclosure and mobile payment security issues, a serious threat to the user’s privacy and property security. This paper analyzes the main ways of user privacy leakage and threats to mobile payment security from two aspects of user information leakage and mobile payment security in social networks, and gives some suggestions for protection.