A type of extortion malware that uses advanced cryptography to lock a user’s local operating system or data files, demanding payment via cryptocurrency to restore access, is called: MCQ with Answer and Explanation

A type of extortion malware that uses advanced cryptography to lock a user’s local operating system or data files, demanding payment via cryptocurrency to restore access, is called:
A. Adware
B. Spyware
C. Ransomware
D. Rootkit
Answer: Option C
Solution (By JKSSB Mock Tests)
Ransomware restricts access to files or computing systems via powerful encryption, conditioning decryption on the verification of a financial ransom transfer.

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Practice More Cyber Security Questions

Question #1
What type of software vulnerability occurs when untrusted user code commands are output directly into another user’s browser view, enabling script injection exploits?
A. Buffer Overflow
B. SQL Injection
C. Cross-Site Scripting (XSS)
D. Zero-Day Exploit

Correct Answer: Option C


Explanation:
XSS allows threat actors to execute malicious client-side scripts inside other users' browser views by compromising vulnerable web outputs.

This question belongs to: Computer Cyber Security
Question #2
What is the purpose of a security control?
A. To reduce the risk of a security breach
B. To manage employee schedules
C. To increase system performance
D. To install new software

Correct Answer: Option A


Explanation:
Security controls are measures implemented to protect assets, reduce risks, and ensure the confidentiality, integrity, and availability of information.

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Question #3
What administrative rule requires employees to lock their desks, secure printed papers, and password-protect their monitors whenever they step away from their desks?
A. Principle of Least Privilege
B. Clean Desk Policy
C. Stateful Boundary Policy
D. Zero Trust Validation Framework

Correct Answer: Option B


Explanation:
Clean desk policies mitigate insider threat options and corporate espionage risks by mandating that physical workspaces remain free of exposed sensitive records.

This question belongs to: Computer Cyber Security