The human beings are stepping into the information society.The information industry develops very rapidly, so do the hackers, trick-playing teens, exploring children, fraudsters, and serious white-collar criminals.Thus, information security becomes an impending important issue.

　　人类步入信息社会。信息产业的发展非常迅速，黑客，特技播放的青少年，探索儿童，骗子，和严重的白领罪犯也是一样。因此，信息安全成为一个迫在眉睫的重要问题。