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? MCQ with Answer and Explanation
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. SQL Injection
B. Zero-Day Exploit
C. Buffer Overflow
D. Cross-Site Scripting
Answer: Option C
Solution (By JKSSB Mock Tests)
Buffer overflows occur when input variables exceed memory segment boundaries, allowing malicious payloads to alter memory instructions and execute arbitrary commands.
Explanation:
A firewall serves as a barrier between an internal network and external sources, filtering traffic to prevent unauthorized access and cyber threats.
Which cybersecurity framework requires users to provide two or more distinct verification indicators—such as a password mixed with an instantaneous biometric facial scan—to unlock an account?
What form of malicious code hides itself inside the deep administrative or kernel layer of an operating system to hide active system tracking files from malware sweeps?
Explanation:
Rootkits modify system kernel code to hide processes, files, and network links, rendering themselves invisible to standard antivirus utilities.
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