本书明确而详尽地阐述了Java平台安全性，探究了Java安全结构的内幕。本书首先概述了计算机和网络安全概念并解释了Java安全模型，并在此基础上，详细描述了Java 2平台中新增加的许多安全结构方面的措施，同时对Java安全性的实施提出了使用指导，描绘了如何定制、扩展和精化安全结构以及成功实现的技术细节。本书为建立安全、有效、强大和可移植的Java应用程序和applet提供了重要的信息，对于致力于研究Java平台的专业人员是一本必不可少的参考书。

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