Which type of malware encrypts a victim's files and demands a ransom for the decryption key? MCQ with Answer and Explanation

Which type of malware encrypts a victim's files and demands a ransom for the decryption key?
A. Spyware
B. Virus
C. Worm
D. Ransomware
Answer: Option D
Solution (By JKSSB Mock Tests)
Ransomware is a type of malware that denies access to a user's data by encrypting it and then demands a ransom for the decryption key.

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Practice More Cyber Security Questions

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What is the purpose of a vulnerability management program?
A. To manage user accounts
B. To install new software
C. To increase system performance
D. To identify, prioritize, and remediate vulnerabilities

Correct Answer: Option D


Explanation:
A vulnerability management program systematically identifies, prioritizes, and remediates security vulnerabilities to reduce the risk of exploitation.

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Question #2
What is 'cyberspace'?
A. The virtual world of interconnected computer networks and digital communication
B. A physical network cable
C. A physical location where computers are stored
D. A type of antivirus software

Correct Answer: Option A


Explanation:
Cyberspace refers to the global domain of digital networks, communications, and information systems, a virtual environment where online interactions occur.

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Question #3
Which process converts plain text data strings into unreadable ciphertext formats using mathematical cryptographic keys, securing files against unauthorized viewing?
A. Encryption
B. Sandboxing Matrix
C. De-duplication
D. Hashing Allocation

Correct Answer: Option A


Explanation:
Encryption alters readable data into ciphertext using cryptographic mathematical algorithms, requiring specialized keys to reverse and decode.

This question belongs to: Computer Cyber Security