A technician recently updated a printer driver on all the computers in an office.
Shortly after the update, several users' accounts and passwords were compromised.
Which of the following MOST likely explains the compromised accounts?
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A. B. C. D.A.
Based on the information provided, it is most likely that a keylogger was responsible for the compromised accounts. A keylogger is a type of malicious software that records all keystrokes made on a computer and sends them to an attacker, who can use the information to gain access to user accounts and passwords.
The fact that the accounts were compromised shortly after a printer driver update suggests that the update may have included a keylogger. It's possible that the update was not legitimate and was instead a form of malware designed to infect the computers and steal user information.
Alternatively, the update may have been legitimate, but the keylogger could have been included as part of a bundled software package or as an additional "feature" of the driver. In either case, it's important to thoroughly investigate the source of the driver update and determine if it was responsible for the compromised accounts.
The other options listed - botnet, ransomware, and antivirus definitions - are less likely to be responsible for the compromised accounts in this scenario. A botnet is a network of infected computers that are controlled by an attacker, but it is not typically used to steal user account information. Ransomware is a type of malware that encrypts files on a computer and demands payment to unlock them, and it does not typically steal user information. Antivirus definitions are used to identify and remove malware from a computer, but they do not introduce new malware onto a system.