For example, an intruder who is trying to retrieve proprietary data or customer databases probably should be combated much differently from an intruder who is trying to shut down a network.

• 比如说，对付一个正试图检索私人数据或客户数据库的入侵者和对付一个正试图瘫痪网络的入侵者很可能要采取极不同的斗法。