What is a 'man-in-the-middle' (MITM) attack? MCQ with Answer and Explanation

What is a 'man-in-the-middle' (MITM) attack?
A. An attack that uses a virus to replicate
B. An attack that targets a single user with a phishing email
C. An attack where the attacker intercepts communication between two parties
D. An attack that physically destroys hardware
Answer: Option C
Solution (By JKSSB Mock Tests)
A man-in-the-middle attack occurs when an attacker secretly intercepts and possibly alters the communication between two parties who believe they are directly communicating with each other.

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Practice More Cyber Security Questions

Question #1
What security mechanism acts as an analytical perimeter boundary, monitoring and filtering incoming and outgoing network traffic based on an organization's pre-established rule policies?
A. Antivirus Scan Engine
B. Firewall
C. Intrusion Detection Honeypot
D. Digital Certificate Registry

Correct Answer: Option B


Explanation:
A firewall filters data packets shifting across network interfaces, blocking or permitting connections according to specific access control security metrics.

This question belongs to: Computer Cyber Security
Question #2
What form of security exploit occurs when an application inputs more variable data into a memory block than it can hold, overwriting nearby execution instructions with malicious payloads?
A. Cross-Site Scripting
B. SQL Injection
C. Buffer Overflow
D. Zero-Day Exploit

Correct Answer: Option C


Explanation:
Buffer overflows occur when input variables exceed memory segment boundaries, allowing malicious payloads to alter memory instructions and execute arbitrary commands.

This question belongs to: Computer Cyber Security
Question #3
What form of malicious exploit attempts to guess an operator's password by using automated script loops that cycle through millions of characters or dictionary strings systematically?
A. Packet Sniffing Exploit
B. Phishing Setup
C. SQL Injection Exploit
D. Brute Force Attack

Correct Answer: Option D


Explanation:
Brute force attacks run automated character guessing scripts to test password permutations until finding a combination that unlocks the targeted account.

This question belongs to: Computer Cyber Security