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1利用网络系统漏洞进行攻击许多网络系统都存在着这样那样的漏洞,这些漏洞有可能是系统本身所有的,如WindowsNT、UNIX等都有数量不等的漏洞,也有可能是由于网管的疏忽而造成的。黑客利用这些漏洞就能完成密码探测、系统数据等攻击。对于系统本身的漏洞,可以安装软件补丁;网管也需要仔细工作,尽量避免因疏忽而使他人有机可乘。2通过电子邮件进行攻击电子邮件是互联网上运用得十分广泛的一种通讯方式。黑客可以使用一些邮件炸弹软件或CGI程序向目的邮箱发送大量内容重复、无用的垃圾邮件,从而使目的邮箱被
1 exploits network system vulnerabilities to attack Many network systems exist such kind of vulnerabilities. These vulnerabilities may be the system itself, such as WindowsNT, UNIX, etc. have a number of vulnerabilities, may also be due to the negligence of the network management of. Hackers can use these vulnerabilities to complete the password detection, system data attacks. For the system itself loopholes, you can install software patches; network management also need to work carefully to avoid negligence and make others take advantage of. 2 Attack by E-mail E-mail is a very widely used means of communication on the Internet. Hackers can use a number of mail bomb software or CGI program to the destination mailbox to send a large number of duplicate, useless spam, so that the purpose of the mailbox was