摘要
介绍信息系统安全的基本概念和保证系统安全的各种技术手段,论述了企业信息网络安全系统的设计原则和方法及该系统应具备的安全机制。
The basic concept of a security information system is introduced,and so are the various techni- cal means for insuring the system's security.The designing principles and methods of security system for infor- mation net of enterprises are discussed.The security device that such a system should have is touched upon, too.
