The History of the Trojan Horse
A Trojan Horse is an infectious program that that can cause serious damage to a user's computer. The program can access a user's computer without their knowledge. When this program has infected a computer, it scans the computer in order to steal personal information.
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History
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Trojan Horse programs were first discovered around the 1980's, when they first started affecting computers. The program is man-made and created by hackers, individuals who create infectious programs for the purpose of stealing a user's personal information. The Trojan programs were created to steal user passwords and other personal data. The first Trojan programs were created to attack Windows32 files, but have since migrated to infecting other areas of Windows.
Features
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When computer users open e-mails that can contain infectious attachments, this can cause a Trojan Horse program to gain access to their system. Hackers create fake e-mails and advertisements to trick the user into clicking on them and downloading Trojan programs to their PC. Some free shareware programs also contain Trojan programs. It best to practice caution before downloading any program to your PC opening an e-mail from an unreliable source.
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Function
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Once the Trojan Horse program has infected a computer, it slows the computer's processor speed. The user may also see delays in their browser speed or it may hang and not respond. The full damage to the computer may not be recognizable and the user may result to reinstalling their entire operating system.
Types
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Trojan Horse programs are created in two parts. One part is called the server and the other part is called the client. The server part of the Trojan Horse program is the main part and is the part that is the most damaging. This is the part that gains illegal access into a user's computer. The server part of the program causes the infection on the computer. The client part of the Trojan Horse program is the part of the program that sends signals when performing scans on the Internet. The server replies to the signals and allows a hacker to link to the infected computer and steal information.
Prevention/Solution
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In order to prevent infection from Trojan Horse programs, users should install a reputable anti-virus program or a firewall to block the Trojan Horse's access to the computer. Firewall prevents infectious files from illegally accessing a user's computer. A secured router can also work to prevent Trojan Horse access. Routers allow a secured connection to the Internet, while preventing unauthorized access by Trojan Horses. If a computer is located on a network, a firewall is also the best prevention from Trojan Horses since networked computers share files and the risk of becoming infected by another machine is greater.
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