Joe notices there are several user accounts on the local network generating spam with embedded malicious code.
Which of the following technical control should Joe put in place to BEST reduce these incidents?
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A. B. C. D.A.
Out of the given technical controls, the BEST one to reduce the incidents of user accounts generating spam with malicious code would be "C. Least privilege."
Least privilege is a security concept that refers to giving users the minimum level of access to perform their job functions. This means that users should only have access to the data and resources that are necessary for their work, and no more. By limiting user access, the potential for unauthorized access and misuse is reduced, and the impact of a successful attack is minimized.
In the given scenario, implementing the least privilege principle would involve reviewing the user accounts and their privileges to ensure that each user has only the necessary permissions to perform their duties. This would prevent users from accessing systems and data that they don't need to do their job, reducing the likelihood that they will inadvertently or intentionally use those resources to generate spam or distribute malware.
Account lockout, group-based privileges, and password complexity are also important technical controls, but they are less effective in preventing users from generating spam with embedded malicious code. Account lockout helps to prevent brute force attacks on user accounts, group-based privileges help to manage user access to resources based on their roles, and password complexity helps to prevent unauthorized access to user accounts. However, these controls would not necessarily prevent a user from using their authorized access to generate spam with embedded malicious code.