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随着IT市场及Internet的高速发展,个人和企业将越来越多的商务活动放到网络上(LAN和WAN),而网络存在的安全问题也越发严重,据统计,全世界由于信息系统的脆弱性而导致的经济损失,每年达数亿美元,并且逐年上升。据美国《金融时报》报道,现在平均每20秒就发生一次入侵计算机互联网的事件;互联网的防火墙,超过1/3被攻破。面对这种现实,各国政府和企业不得不开始重视网络安全。
With the rapid development of the IT market and the Internet, individuals and enterprises put more and more business activities on the network (LAN and WAN), and the network security problems are more and more serious. According to statistics, worldwide information systems The economic loss caused by the vulnerability amounts to hundreds of millions of dollars a year and increases year by year. According to the Financial Times, there is an average of every 20 seconds of computer Internet incursions. More than a third of the Internet firewalls have been compromised. Faced with this reality, governments and enterprises in all countries have to start to pay more attention to network security.