This is a also a dumb question

We want to see DNS logs to see where the users was taken

Are we assuming, b falling for it, the clicked a link? DNS logs

Message gateway is the right answer since if we consider the context of investigating a reported phishing email

The Authentication logs would be the first system logs that the analyst should check in this scenario. These logs provide information about user authentication events, including login attempts, successful logins, and failed logins. By examining authentication logs, the analyst can identify any suspicious or unauthorized access attempts related to the user who fell for the phishing email.

Massage gateway logs

The analyst would first check: B. Message gateway logs. Message gateway logs, such as those from email servers or email security appliances, often contain valuable information about incoming and outgoing emails, including details about email delivery, sender and recipient information, and any actions taken by the gateway, such as quarantining or blocking suspicious emails. These logs can help the analyst identify and investigate the phishing email reported by the user.

I would say DNS

I'm leaning toward DNS because unless I'm mistaken Message Gateway is not in the objectives for the exam.

Email issue. Check Email logs. The closet option is Mail gateway and I would hope it would keep a log of that email for admin inspection. Ironport and o365 does this.

From all sources, I can gather it is either Authentication, Message Gateway, or DNS. Except for this site, DNS is out. I cannot find a straignt correct answer. Chat GPT answers both, another site has the question listed twice with two different answers.

I have to say GPT does help at times but I have found it has been wrong as well. Please do't always trust it.

Message gateway. The message gateway logs would provide information about the incoming and outgoing emails, including details about the phishing email. It may include information about the sender, recipient, subject, attachments, and other relevant details related to the email's entry point into the organization's email system.

The answer is authentication on the actual exam and prep exam

Phishing emails doesnt always have to contain links. Sometimes attacker would pretend someone who needs to verify an identity to update an account and victim needs to reply the requested information. DNS does not apply to that scenario. So to gain some context about the phishing attack, you have to check the email gateway first.

check the logs for the dns

B. Message Gateway. At first I thought it was DNS, but upon further reflection I have decided that Message Gateway is the best answer. The first thing the security team will do is attempt to determine if this if a True Positive or False Positive. Many reports and alerts are False Positives. They are NOT going to just assume straight away that it is a True Positive. They are going to check and validate that. As part of that work they would likely check the mail logs to see if the mail logs can help them determine whether it is a True Positive or False Positive. Once they have confirmed it is a True Positive then they will want to confirm if and when the link was actually clicked. That is when they will look at DNS.