Which malicious software hides inside a seemingly legitimate utility or software application, only to execute its malicious payload once installed by an unsuspecting user? MCQ with Answer and Explanation

Which malicious software hides inside a seemingly legitimate utility or software application, only to execute its malicious payload once installed by an unsuspecting user?
A. Trojan Horse
B. Computer Worm
C. Ransomware
D. Spyware
Answer: Option A
Solution (By JKSSB Mock Tests)
A Trojan Horse masquerades as safe, benign software to trick users into running it, but contains hidden malicious code designed to compromise system security.

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Practice More Cyber Security Questions

Question #1
Which of the following is a common type of cyber threat targeting financial institutions?
A. Phishing
B. SQL injection
C. Ransomware
D. All of the above

Correct Answer: Option D


Explanation:
Financial institutions are targeted by a variety of cyber threats, including ransomware, phishing, and SQL injection attacks, to steal funds or sensitive data.

This question belongs to: Computer Cyber Security
Question #2
A security infrastructure strategy where multiple independent layers of security controls—such as firewalls, MFA, encryption, and awareness training—are deployed across an enterprise is:
A. Zero Trust Model
B. Defense in Depth
C. Stateful Boundary Control
D. Least Privilege Access

Correct Answer: Option B


Explanation:
Defense in Depth combines technical, physical, and administrative security layers to build redundant protection boundaries and avoid single points of failure.

This question belongs to: Computer Cyber Security
Question #3
What is the purpose of a security token in authentication?
A. To store passwords permanently
B. To provide a time-based one-time password (TOTP)
C. To decrypt files
D. To manage network traffic

Correct Answer: Option B


Explanation:
A security token generates a time-based one-time password (TOTP) that changes periodically, adding an extra layer of security for authentication.

This question belongs to: Computer Cyber Security