CyberCertPrepSecurity FundamentalsThreat LandscapeEASYFree question
What is a Trojan horse in cybersecurity?
- A.Malware that replicates itself across networks
- B.An encryption algorithm with a known backdoor
- C.A hardware device used for hacking
- D.Malware disguised as legitimate software to trick users into installing it
Why D is correct
A Trojan horse (or simply Trojan) is malware that disguises itself as legitimate or desirable software. When the user installs or runs it, the Trojan performs malicious actions like stealing data, creating backdoors, or downloading additional malware. Unlike viruses and worms, Trojans do not self-replicate.
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