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A Trojan horse is a program that purports to perform some legitimate function, yet upon execution it compromises the user's security. [17] A simple example is the following malicious version of the Linux sudo command. An attacker would place this script in a publicly writable directory (e.g., /tmp).
One of this physical Trojan characteristics is the type. The type of a Trojan can be either functional or parametric. A Trojan is functional if the adversary adds or deletes any transistors or gates to the original chip design. The other kind of Trojan, the parametric Trojan, modifies the original circuitry, e.g. thinning of wires, weakening of ...
A Trojan horse misrepresents itself to masquerade as a regular, benign program or utility in order to persuade a victim to install it. A Trojan horse usually carries a hidden destructive function that is activated when the application is started.
Trojan horse – a malicious program that is disguised as legitimate software. The term is derived from the classical myth of the Trojan Horse . Analogously, a Trojan horse appears innocuous (or even to be a gift), but in fact is a vehicle for bypassing security.
This category is for Trojan horses, a form of computer malware. For the Greek legend about a hollow wooden horse that inspired the computing term, see Trojan horse . See also
Malicious software comes in many forms, such as viruses, Trojan horses, spyware, and worms. Malware, a portmanteau of malicious software, is any software used to disrupt computer operation, gather sensitive information, or gain access to private computer systems. Malware is defined by its malicious intent, acting against the requirements of the ...
A malicious computer program that tricks users into willingly running it is also called a "Trojan horse" or simply a "Trojan". The main ancient source for the story still extant is the Aeneid of Virgil, a Latin epic poem from the time of Augustus .
The Trojan Horse, according to legend, was a giant hollow horse in which Greeks hid to gain entrance to Troy, also used metaphorically. Trojan Horse may also refer to: Trojan horse (business), a business offer that appears to be a good deal but is not; Trojan horse (computing), a computer program that appears harmless but is harmful