随着计算机的飞速发展,互联网迎来了新的时代,人们在享受网络带来的方便之余,也深受各种木马、病毒、流氓软件的危害。计算机网络涉及个人、单位、乃至社会、国家,如果安全方面受到破坏,那么后果将不堪设想。 With the rapid development of the computer, the Internet ushered in a new era. People enjoy the convenience brought by the network, and are also endangered by various Trojans, viruses and rogue softwares. Computer networks involving individuals, units, and even society, countries, if the security aspects were damaged, then the consequences would be disastrous.