网上信息安全的防范

The Defence of Information Security in Network

计算机网络安全是一个越来越引起世界各国关注的重要问题,也是一个十分复杂的课题。随着计算机网络在人类生活中各领域的广泛应用,计算机病毒不断地产生和传播,计算机网络屡遭非法入侵,重要资料被破坏或窃密,由此造成网络系统的瘫痪等,因此必须对计算机网络的安全问题给予充分的重视并设法进行安全防范。

The computer network security is a very complex problem,which becomes mo re and more important all over the world.Along with the wide uses of computer network in ours lives,virus in computer is keeping on occurring and transmitting,computer network is trespasse d on time after time,important infor-mation is destroyed or blown the gaff,and so on,all of these would make network system stop working.So,we must pay great attention to the security problems of computer netwo rk,and find out the way to pre-vent safely.