With the combination of virus and software vulnerability, worms suchas CodeRed, Nimda, SQL Stammer and Blaster, have caused great damage toglobal network and even economy. Software patches are vital to combat thiscombination.

• 随着病毒与漏洞的结合，CodeRed, Nimda, SQi,Slammer, Blaster等蠕虫极大地危害到网络与信息安全乃至经济，安装补丁是最有效、最经济的防范措施。