A Trojan Horse is a type of malicious software (malware) that appears to be a legitimate or useful program but secretly performs harmful activities after it is installed. It deceives users into believing the software is safe while silently carrying... Read More
A Trojan Horse is a type of malicious software (malware) that appears to be a legitimate or useful program but secretly performs harmful activities after it is installed. It deceives users into believing the software is safe while silently carrying out unauthorized actions in the background. Therefore, Option B (Trojan Horse) is the correct answer.
A Trojan Horse does not spread by infecting other files or copying itself to other computers. Instead, it relies on social engineering, encouraging users to install it by disguising itself as free software, games, email attachments, or fake software updates. Once installed, it can steal passwords, monitor user activities, delete files, install additional malware, or allow hackers to remotely access the infected computer.
Unlike a virus, which attaches itself to other files, or a worm, which spreads automatically through networks, a Trojan Horse depends on user interaction. A macro virus specifically infects documents containing macros, such as Microsoft Word or Excel files. The distinguishing feature of a Trojan Horse is that it looks useful but secretly carries out malicious activities, making it one of the most dangerous forms of malware.
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