本书与网络及系统安全紧密相联，通过大量的实例全面地分析了计算机病毒与特洛伊*所涉及的各种技术和攻击手段，详细地剖析了计算机病毒与特洛伊*的程序源代码，深入地分析了这些网络攻击的防范和清除技术，让读者真正做到知己知彼，实现防范的目的。

　　 读者通过学习本书，可以对网络安全有较深入的认识，对计算机病毒与特洛伊*所涉及的各种技术和方法有系统的理解，能够独立完成网络信息安全的管理工作，能够编写网络安全管理程序。 -Book is closely linked with the network and system security through a large number of instances of a comprehensive analysis of computer viruses and Trojan horses involved in various technologies and means of attack, a detailed analysis of the source code of computer viruses and Trojan horses, in-depth prevention of network attacks and removal technology to allow readers to truly know ourselves, to achieve the purpose of prevention. Readers through book learning, network security, more in-depth understanding of a variety of techniques and methods involved in computer viruses and Trojan horses understanding of the system, network and information security management work independently, be able to write network security management procedure. Book combining theory and practice applicable to the majority of software engineers, network enthusiasts, network programmers, network administrators, students of the University computer software professionals and network of professional and personnel