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Which of the following BEST describes a buffer overflow?
Correct Answer: A
Explanation A buffer overflow is a software coding error or vulnerability that occurs when a function is carried out with more data than the function can handle, resulting in adjacent memory locations being overwritten or corrupted by the excess data1. A program contains a hidden and unintended function that presents a security risk is not a buffer overflow, but rather a backdoor2. Malicious code designed to interfere with normal operations is not a buffer overflow, but rather malware3. A type of covert channel that captures data is not a buffer overflow, but rather a keylogger. References: 1 https://www.fortinet.com/resources/cyberglossary/buffer-overflow 2 https://www.fortinet.com/resources/cyberglossary/backdoor 3 https://www.fortinet.com/resources/cyberglossary/malware https://www.fortinet.com/resources/cyberglossary/keylogger