A destructive program.
A Trojan Horse is usually a computer program or software that appears harmless but carries malware. At first the Trojan Horse may appear to be harmless, maybe even useful, software. In fact once installed or running on your system, its damage is done. [Trojans are also known as Backdoors].
Computer users who receive a Trojan Horse innocently open the file as they are usually led to believe they are receiving a legitimate program or file from someone they know or trust. After a Trojan has been activated on your computer system the damage can vary. There are some Trojans that have been developed to be a nuisance and can do mischief like changing your desktop icons, others are designed to wipe you out by destroying your computer files, folders and programs. Backdoors to computers are also created by Trojans. This gives the malicious user complete admittance to your computer system. Malicious admittance allows attackers to obtain your personal and confidential data.
Trojan could not spread into other file, could not transmit itself into other computer but fools a user to download it to set into computer. Since Trojan has installed, it is incontrollable. There are many kinds of Trojans. People like to download free software or games or browser add-ons. However, sometimes the reason that the software is free is because it is a trojan horse. A trojan could carry a variety of malware: e.g. if a RAT – Remote Access Trojan – gets onto your machine it enables somebody to have access to your computer across the network (if you are connected to the internet you are 'on the network' in this sense.)
Differences Between Computer Virus And Computer Worm:
> Virus can replicate themselves.
Trojan Horses Do not replicate themselves.
> Virus is a program to cause damage to computer.
Trojan Horses is a program which is used to gain access to a computer.
Read Other Parts Of This Post :
Malware : Introduction, Virus, Worms, Trojan Horse
Other Security Threats : Part 1, Part 2, Innovative Ways To Fight Against Malware
Malware : Introduction, Virus, Worms, Trojan Horse
Other Security Threats : Part 1, Part 2, Innovative Ways To Fight Against Malware
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