随着Agent技术的不断发展，移动Agent系统安全已经成为其进一步发展的主要制约之一，它包括移动Agent的安全和主机平台的安全两个方面。介绍了移动Agent技术所带来的安全隐患、提出了一种适用于电子商务环境下的安全体系结构。它能有效保护运行环境的安全和用户Agent商业数据的安全性和保密性。

With the development of mobile agent technology，the security of mobile agent system becomes one of the important reasons that restrict mobile agent going further．It includes mobile agent security and host security．This paper introduces the security threats of mobile agent technology. Then it presents the security architecture for e-commerce environment, which can effectively protect host security and business data security and confidentiality of user agent．