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About Trojan Horses
Trojan Horse….A Computer Nemesis? We have all heard the term Trojan Horse, but what exactly is it? A Trojan Horse is a destructive program that masquerades as a harmless application. Unlike viruses, Trojan Horses do not replicate themselves, but they can be just as destructive. One of the most common and dangerous examples of a Trojan is a program that promises to rid your computer of viruses but instead introduces viruses into your computer. The Trojan can be tricky. Who hasn’t been online and had an advertisement pop up claiming to be able to rid your computer of some nasty virus? Or, you receive an email that claims to be alerting you to a new virus that can threaten your computer. The sender promises to quickly eradicate, or protect, your computer from viruses if you simply download their “free”, attached software into your computer. It may cause a moment of suspicion but the software looks legitimate and the company sounds reputable. You go ahead and take them up on their offer and download the software. You’ve just potentially exposed yourself to a massive headache and your computer to a laundry list of ailments. Lots of things happen when a Trojan Horse is activated. Some are more annoying than malicious. Some of the less annoying Trojans may choose to change your desktop settings or add stupid desktop icons. The meaner Trojans can erase or overwrite data on your computer, corrupt files, spread other malware such as viruses, spy on the user of a computer and secretly report data like browsing habits to other people, log keystrokes to steal information such as passwords and credit card numbers, phish for bank account details (which can be used for criminal activities), and even install a backdoor into your computer system so that they can come and go as they please. Things to do to avoid these nasty critters: 1. Remain diligent
Trojans can infect your computer through rogue websites, instant messaging, and emails with attachments. Best rule of thumb: Only download what you personally seek.
2. Ensure that your operating system is always up-to-date. Install good anti-virus software. Update frequently to catch all new Trojan Horses, viruses, and worms. Be sure that the anti-virus program that you choose can also scan e-mails and files downloaded through the internet.
3. Install a firewall. A firewall is a system that prevents unauthorized use and access to your computer. A firewall is not going to eliminate your computer virus problems, but when used in conjunction with regular operating system updates and reliable anti-virus software, it can provide additional security and protection for your computer. There isn’t a 100% guaranteed security system. However, by continuing to improve your computer's security and decreasing the possibility of infection by consistently following these guidelines, you should be in a safer environment.
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May, 2012
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