Which of these is a malicious program that does NOT replicate itself like a virus but creates a "backdoor" for hackers?

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A Worm
B Trojan Horse
C Antivirus
D Firewall

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Answer: B. Trojan Horse

Answer: B. Trojan Horse
Explanation: A Trojan Horse appears useful but contains hidden malicious code, often a backdoor. Unlike worms or viruses, it does not self-replicate.

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Which of these is a malicious program that does NOT replicate itself like a virus but creates a "backdoor" for hackers?

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