Which of the following malware takes advantage of a security vulnerability on the same day that the vulnerability becomes known to the public?

A. Ransomware
B. Screen scraper
C. Zero-day exploit
D. Bot

Answer: C
Explanation: A zero-day exploit takes advantage of a vulnerability that was released on the same day. Ransomware is a type of malware that encrypts the data on a drive unless the owner pays a requested amount of money. A screen scraper makes a copy of the user's screen. A bot is a snippet of code commonly used by an attacker to automate tasks and carry out a denial-of-service attack.