Which of the following is a type of cyber attack that involves stealing data from a system? MCQ with Answer and Explanation

Which of the following is a type of cyber attack that involves stealing data from a system?
A. Phishing
B. Denial-of-service
C. Data exfiltration
D. Man-in-the-middle
Answer: Option C
Solution (By JKSSB Mock Tests)
Data exfiltration is the unauthorized transfer of data from a system, often carried out by attackers to steal sensitive information.

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Practice More Cyber Security Questions

Question #1
Which concept dictates that computer operators should be granted only the minimum system access rights required to complete their specific job responsibilities?
A. Stateful Inspection Mapping
B. Principle of Least Privilege (PoLP)
C. Defense in Depth
D. Zero Trust Validation

Correct Answer: Option B


Explanation:
The Principle of Least Privilege restricts user account privileges to the absolute bare minimum needed to perform authorized tasks, reducing potential attack surfaces.

This question belongs to: Computer Cyber Security
Question #2
Which administrative security tool establishes a mandatory company rule requiring passwords to contain uppercase letters, numbers, and symbols while expiring every 90 days?
A. Password Policy Enforcement Subsystem
B. Firewall Inspection Script
C. Access Control List Matrix
D. Multi-Factor Registry Check

Correct Answer: Option A


Explanation:
Password policy modules enforce programmatic rules regarding credential complexity, length, and rotation cycles to defend against automated cracking attempts.

This question belongs to: Computer Cyber Security
Question #3
What is the role of a digital signature in cybersecurity?
A. To speed up data transmission
B. To provide authentication and integrity of a digital message
C. To compress a file
D. To encrypt a message

Correct Answer: Option B


Explanation:
A digital signature is a mathematical scheme for verifying the authenticity and integrity of a digital message or document, ensuring it has not been altered.

This question belongs to: Computer Cyber Security