中文摘要：

在对网络攻击理论深入研究的基础上,通过建立攻击模型,构造攻击场景,对目标系统实施攻击测试,分析攻击对目标系统造成的危害和系统的可恢复性,判断其是否达到系统的生存性需求,并提出相应改进建议。

英文摘要：

On the basis of deep study in the theory of attack, attack model and attack scenario was built. Then the severity and the recovery were analyzed that the target systems was attacked testing. Finally the requirements of survivability of target systems were obtained, and corresponding improved suggestions were given.