CERTIFIED-IN-CYBERSECURITY Question #568: Real Exam Question with Answer & Explanation

Question

Which type of malware self-replicate without the need of user's interaction?

Options

• AWorm
• BTrojan
• CVirus
• DSpyware

Explanation

A worm is a type of malware that can replicate itself without user interaction. Once a worm infects a system, it can automatically spread to other systems on the same network, exploiting vulnerabilities in those systems to gain access (see ISC2 Study Guide, Chapter 4, Module 2). For example, the infamous ILOVEYOU worm of 2000 spread via email. Once a user opened the infected email, the worm would send itself to all the contacts in the user's address book, spreading to new systems without further user interaction. The other options are incorrect because they refer to other types of malware. A Trojan is a type of malware that disguises itself as a normal file or program to trick users into downloading and installing it on their systems. However, Trojans require user interaction in order to spread. A virus is a type of malware that attaches itself to clean files and spreads throughout a computer system when those files are accessed. However, unlike worms, viruses require some form of user action in order to spread. Spyware is a type of malware that surreptitiously monitors and collects user information, but does not replicate itself. Therefore, these options are not correct answers to the

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