Suggested Answer:D🗳️
Only data to and from critical systems and applications should be allowed through the firewall is a detractor. Critical systems or applications do not necessarily need to have traffic go through a firewall. Even if they did, only the minimum required services should be allowed. Systems that are not deemed critical may also need to have traffic go through the firewall. Least privilege is a basic tenet of computer security that means users should be given only those rights required to do their jobs or tasks. Least privilege is ensuring that you have the minimum privileges necessary to do a task. An admin NOT using his admin account to check email is a clear example of this. Reference(s) used for this question: National Security Agency, Systems and Network Attack Center (SNAC), The 60 Minute Network Security Guide, February 2002, page 9.
Correct answer: D. Only data to and from critical systems and applications should be allowed through the firewall.
This statement relates more to network traffic control and segmentation, not directly to the principle of least privilege, which focuses on ensuring that users and processes have only the minimum permissions necessary to perform their tasks.
The other options directly support least privilege by:
Limiting administrative accounts (A)
Using standard accounts for routine tasks (B)
Restricting access to sensitive tools (C)
Option D is a valid security measure but falls under network security practices, not privilege management.
The concept of least privilege dictates that individuals, including administrators, should only have the minimum level of access and permissions required to perform their job functions effectively. While administrators typically have elevated privileges to manage and maintain systems, they should still follow the principle of least privilege by using their elevated accounts only when necessary for administrative tasks.
Besides B being very likely to support least privilege per common sense and this explanation, the fact that D is a detractor makes it the least likely you knob
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