计算机和网络安全保密 -- Computer and Network Security

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	E-Commerce and Network Security 使用很难被猜到的密码来保护你的帐号和文件。不要在未知网站下载软件，它们很可能包含广告软件，间谍软件，广告木马。打开email附件之前都要小心，记得做病毒扫描。经常做病毒扫描，经常更新你的病毒扫描软件。用擦除器消除所有的网络印迹和计算机操作历史。使用防火墙以免你的计算机被入侵。计算机和网络安全：使用很难被猜到的密码。不要把它以明文的方式存在任何文件中。不要用你朋友的名字，你的生日当密码，这些都很容易被猜到。取很难被猜到有容易记住的密码的一个很好的方式是：取一句话每个字的首字母。例如用这句话“let us go to westlake to swim”用每个单此的首字母“lugtwts”当密码。你的密码最好既包含字母，又包含数字。不要在未知网站下载软件，它们很可能包含广告软件，间谍软件，广告木马。广告软件经常捆绑在一些你所安装共享软件和购买的商业软件中。它们可能从你的计算机收集你的个人信息。它们也回占用你的计算机机资源，让电脑变得越来越慢。特洛伊木马是一种有特殊目的的专门偷取数据，攻击你的计算机的程序。打开email附件之前都要小心，记得做病毒扫描。当心随着邮件发送的病毒和木马。打开email附件之前记得做病毒扫描。不要运行任何.exe文件，即使发送自你的朋友，除非他们用电话或其它方式事先通知过你。经常做病毒扫描，经常更新你的病毒扫描软件。设置你的计算机每次重启动时病毒扫描，每天做病毒扫描。病毒扫描软件能够保护你的计算机不受病毒损害，但每天都有新的病毒出来，所以一定要经常更新你的病毒扫描软件。用擦除器消除所有的网络印迹和计算机操作历史。擦除器能够安全地消除你互联网访问历史和你的计算机操作印迹以保护你的隐私。它也能够发现和删除广告软件，间谍软件，木马等，恢复你的计算机的默认设置。使用防火墙以免你的计算机被入侵。防火墙从两个方向保护你的计算机：它过滤来自网络的有潜在危险性的信息；它也阻止未经允许的人在你联网时通过互联网获取你计算机中的信息。另外，当你不上网的时候，断开网络连接也是一种保护你的计算机不被入侵的好办法。	电子商务和网络安全 Use hard to guess passwords to protect your account and files Never down load software from anonymous site, they may be full of Adware, Spyware and Advertising Trojans Be careful to always do virus scan before open any email attachment file Do virus scan and update your virus-scan software frequently. Use eraser to cleans up all the Internet tracks and past computer activities. Use firewall to Protect your computer from Internet intruders. Computer and Network Security: Use hard to guess passwords. Don't save it as plain text in your file. Don't use your friend's name, your birthday as password, these are all easy to guess. A good way of choose a hard to guess but easy to remember password are to come up with a sentence like " let us go to westlake to swim", and use he first letter of every words "lugtwts" as your password. And it's much better if your passwords include letters as well as digits. Never download software from anonymous site, they may be full of Adware, Spyware and Advertising Trojans Adware are usually tied to a dodgy some shareware purchased commercial software you have installed, and may collect personal information from your computer. And they uses you computer resource and the machine become slower and slower. Trojan Horses are programs for the specific purpose of violating your privacy, stealing data, attacking your computer. Be careful to always do virus scan before open any email attachment file Be aware of virus and Trojan Horses sent via Email. Always remember to process virus check before download any email attachment. Never run any attached .exe file, even it's from your friends, unless they told you in advance via telephone or other way. Do virus scan and update your virus-scan software frequently. Schedule your computer to run virus-scanner every day, every time you restart your machine. Ati-virus software can protect your computer from known virus, but new virus come out very soon, so be sure to keep get regularly updates. Use erasers to clean up all the Internet tracks and past computer activities. Erasers can protect your privacy by securely eliminate your Internet activity history and the trace of your computer operations. It also can find and delete Adware, Spyware and Advertising Trojans, recover the system default settings, etc. Use firewall to protect your computer from Internet intruders. Firewall in two directions: firewall filtering out potentially dangerous types of data from the Internet, and also prevent unauthorized persons from accessing to your computer while you're connected to the Internet. Besides, when you are not online, disconnect your computer is a good way to Protect your computer from Internet intruders
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