We can encounter various peep in our life, the most serious cases are on our mobile phones and our computers.In the recently shown TV series named Secret war on CCTV-1, one can see many different kinds of spying and antispying means and products. For example,cameras were installed on the working sites and at the entrance and exit of the work unit, around the residential areas, and on the wayfrom the residential areas to the kids' school, in the hotel,at the entrance and exit of a hotel, and in the underground garage and monitored by some related departments; one key board data recorder wasinstalled under the keyboard and all the data can be recovered in another computer; the voice of the a male speaker can be changed into a woman's voice or other men's voice when one hears it; the telephone number onyour phone can be 110, 119, 120 or any other numbers as the callerlikes(that's the reasons that many people are cheated by crooks and transfer their money to the crooks'credit cards or bank cards); mobile phones can be monitored and positionedby GPS and then one can be seen or peeped at any place if he hasthat mobile phone with him (even if he closes the mobile phone) unless hetakes the battery out; the general engineer was controlled and all hiscall was monitored by the Multimedia Messaging Service (MMS, 彩信) sender just after the engineer opened that MMS (It's onevirus software named NH virus) . On the internet, your computer can be easily peeped andcontrolled by others. When you are skimming one webpage, or downloading asong, film, article or other materials, or installing some applicationsoftware, probably you download and install a spyware in your computer at thesame time. Then someone can get all the information in your computer, trackyour log on traces, obtain your login passwords or credit card/bank card passwords. Then how can we prevent others peeping our internet activities andstealing our information and money?One, install one reliable antivirus and firewall software such as Risingand Kingsoft;Two, patch the loopholes in the system software and otherapplication software regularly;Three, eliminate the traces of your internet activity. Now the QQ doctor can patch your system loopholes and eliminate yourinternet activity traces and other rubbish.Four, update your antivirus and firewall software, and check and kill virus and Trojan software regularly.Five, avoid opening suspicious websites or anonymous emails.Six, don’t login your account in unfamiliar websites.