What term describes a newly discovered software vulnerability that is exploited by threat actors before the software creator has created or released a security patch? MCQ with Answer and Explanation

What term describes a newly discovered software vulnerability that is exploited by threat actors before the software creator has created or released a security patch?
A. Buffer Overflow
B. Backdoor Entry
C. Zero-Day Vulnerability
D. Logic Bypass flaw
Answer: Option C
Solution (By JKSSB Mock Tests)
Zero-day vulnerabilities represent newly discovered software flaws that lack patch remediation, exposing users to exploitation risks.

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Practice More Cyber Security Questions

Question #1
An attacker uses a fake Wi-Fi hotspot with the exact same name as a coffee shop's legitimate network to trick patrons into connecting so they can intercept their web traffic. This setup is a/an:
A. Evil Twin Attack
B. Brute Force Permutation
C. DDoS Squeeze
D. SQL Injection Matrix

Correct Answer: Option A


Explanation:
An Evil Twin is a fraudulent Wi-Fi access point configured to look identical to a legitimate local network to harvest traffic from unsuspecting connections.

This question belongs to: Computer Cyber Security
Question #2
Which of the following is a method to protect data at rest?
A. Encryption
B. Antivirus software
C. Firewall
D. Intrusion detection system

Correct Answer: Option A


Explanation:
Encryption is the primary method to protect data at rest, ensuring that even if storage media is compromised, the data remains unreadable without the decryption key.

This question belongs to: Computer Cyber Security
Question #3
A decoy server environment containing realistic fake database logs deployed alongside real company servers to trick hackers and track their attack techniques is a/an:
A. Sandboxing Unit
B. Honeypot
C. Encryption Vault
D. Firewall Layer

Correct Answer: Option B


Explanation:
Honeypots are decoy nodes configured to attract, log, and study security attackers while isolating them from the rest of the enterprise network.

This question belongs to: Computer Cyber Security