What is a Trojan horse and how does it work?

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What is a Trojan horse and how does it work?

A Trojan horse is a type of malicious software that disguises itself as a legitimate program or file, tricking users into downloading or executing it. Once installed, it can perform various unauthorized activities on the victim's computer, such as stealing sensitive information, modifying or deleting files, or providing unauthorized access to the attacker. Unlike viruses or worms, Trojan horses do not replicate themselves but rely on social engineering techniques to deceive users into installing them. They often exploit vulnerabilities in software or rely on user actions, such as clicking on a malicious link or opening an infected email attachment, to gain access to the system.