据北京教育网络和信息中心主任张虹波介绍:为了过滤有害的信息和网站,仅北京市教育城域网的内容过滤这一项投资就有上百万元。可见,教育行业对信息安全的需求,形成了一个庞大的市场。作为一种丰富学习资源、拓展教学空间、提高教育效率的有效手段,信息化为教育的创新与普及提供了新的突破口。然而,如病毒、黑客、非法入侵,不健康信息等,无时无刻不在威胁教育网络的健康发 According to Zhang Hongbo, director of Beijing Education Network and Information Center, in order to filter harmful information and websites, only one million yuan is invested in the content filtering of Beijing Education Metropolitan Area Network. Can be seen, the education industry for information security needs, formed a huge market. As an effective means of enriching learning resources, expanding teaching space and improving education efficiency, informatization has provided a new breakthrough for the innovation and popularization of education. However, such as viruses, hackers, illegal invasion, unhealthy information, all the time threatening the health of the education network