Wednesday, March 23, 2011

How Computers Infected with Virus via the Internet?

David often play Poker on Facebook. In addition, he also sells his own poker chips. The result is fairly profitable. One day, Sigit not get into his Facebook account. Apparently, her account had been hijacked and his poker chips already dicuri.Kasus Sigit is a tip of the iceberg of crime on the Internet that is now increasing. Developed sophisticated malware to spread on the Internet and computer networks vulnerable to attack. Why does this happen? Its main motivation is money. The money gained from criminal activity, such as getting a lot of information that can then be sold to other parties who seek such information. It is very profitable for cyber criminals, especially with the increasing number of Internet users worldwide.

How to attack
In general, attacks through the Internet be done in two stages. First, the lead Internet users to websites that contain malicious programs. The second stage, install file ekseskusi dangerous to the user's computer. Media that is used very much, can be through e-mail, IM, social networks, search engines, advertising, and so forth. Its contents can be made more attractive, such as a quick way to money, vulgar images, or topic being a trend and become a hot discussion in the wider community.

Cyber ​​criminals have two ways to install malware on the computer. First, lure people to download and install a program that seems useful, such as antivirus, Flash Player, or games of their own accord. The second way, by doing a drive-by download or download automatically. They could manipulate the legitimate website that has many visitors.



Various bait
Cyber ​​criminals also apply the techniques of Search Engine Optimization (SEO), which is a way for malicious websites appear on search engines (Google, Yahoo, or Bing) based on certain keywords. Thus, be careful in choosing a site on search engines. One way to not get into the wrong place from search engines, use an antivirus application that has a feature to scan the search results.

Prevention
Lately, the Internet is a dangerous place. In order not to be a victim, you can prevent it. For that, the update software that is used regularly, especially those such as tandem browser add-on - of course the operating system and antivirus software. Finally, you must be careful of information that spread through the Internet. Before clicking on the ads on the website, first filter the information that you want to get.