近年来,我国信息事业正以令世界惊奇的速度发展,信息产业的发展为我国的综合竞争实力带来了极大的提高,但信息网络的普及也给我们带来了新的威胁,就是内部机密信息在网络上泄密,以及内部网络被攻击破坏。已经有无数个此类的案例发生,给我们造成了严重的损失,向我们敲响了警钟,信息安全必须得到重视和加 In recent years, the cause of our country’s information is developing at a surprising speed. The development of the information industry has greatly improved our country’s overall competitive strength. However, the popularization of information networks has brought us new threats, that is, internal Confidential information leaked over the network and the internal network was compromised. There have been numerous cases of such kind that have caused serious losses to us and sounded a wake-up call for us. Information security must be given priority.