The answer is to join the EmailEvents and AADSignInEventsBeta tables. This correlation works because EmailEvents stores metadata about the email itself, including the sender’s address, while AADSignInEventsBeta captures Azure AD sign-in logs with the originating IP address. By joining these tables on the sender’s user principal name or account object ID, you can link the specific sign-in session that sent the phishing email to its source IP, revealing the attacker’s location. On the SC-200 exam, this tests your ability to perform cross-domain hunting across email and identity data in Advanced Hunting, a core skill for incident response. A common trap is trying to use EmailPostDeliveryEvents or CloudAppEvents instead, which lack the direct sign-in IP. Remember the mnemonic “Email meets AAD” — the sender’s mailbox activity lives in EmailEvents, but the IP trail lives only in AADSignInEventsBeta.
SC-200 Mitigate threats using Microsoft Defender XDR Practice Question
This SC-200 practice question tests your understanding of mitigate threats using microsoft defender xdr. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A security analyst is investigating a sophisticated attack where an attacker used a compromised account to send a phishing email. The analyst wants to correlate the email event with the subsequent sign-in activity from the same sender's mailbox using Advanced Hunting. Which two tables should the analyst join to link the email sender to the sign-in IP address?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
EmailEvents and AADSignInEventsBeta
To correlate a phishing email event with the subsequent sign-in activity from the same sender's mailbox, the analyst needs to join the EmailEvents table (which contains email metadata like sender and recipient) with the AADSignInEventsBeta table (which captures Azure AD sign-in logs, including IP addresses). This join allows linking the sender's email address to the sign-in IP address used during the session that sent the email.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✓
EmailEvents and AADSignInEventsBeta
Why this is correct
EmailEvents provides sender and timestamp; AADSignInEventsBeta provides user sign-in details including IP.
Related concept
Read the scenario before looking for a memorised answer.
✓
EmailPostDeliveryEvents and AADSignInEventsBeta
Why this is correct
EmailPostDeliveryEvents handles post-delivery events but does not contain sender information needed for correlation.
Related concept
Read the scenario before looking for a memorised answer.
✗
EmailEvents and CloudAppEvents
Why it's wrong here
CloudAppEvents logs activities in cloud apps, not Microsoft Entra ID sign-ins directly.
✗
EmailAttachmentInfo and AADSignInEventsBeta
Why it's wrong here
EmailAttachmentInfo focuses on attachments, not sender or sign-in data.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse EmailPostDeliveryEvents with EmailEvents, assuming post-delivery events contain sender metadata, but they only track actions taken after delivery and lack the original sender IP correlation.
Detailed technical explanation
How to think about this question
Under the hood, EmailEvents captures the 'SenderFromAddress' and 'RecipientEmailAddress' fields, while AADSignInEventsBeta includes 'AccountUpn' and 'IPAddress'. Joining on the sender's UserPrincipalName (UPN) or email address enables the analyst to see if the same IP that sent the phishing email was used for subsequent sign-ins, which is critical for detecting credential theft or lateral movement. In real-world scenarios, attackers often use the compromised mailbox to send phishing from a different IP than the victim's usual sign-in location, making this join essential for identifying anomalous behavior.
KKey Concepts to Remember
Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.
TExam Day Tips
→Watch for words such as best, first, most likely and least administrative effort.
→Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this SC-200 question in full detail.
Mitigate threats using Microsoft Defender XDR — This question tests Mitigate threats using Microsoft Defender XDR — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: EmailEvents and AADSignInEventsBeta — To correlate a phishing email event with the subsequent sign-in activity from the same sender's mailbox, the analyst needs to join the EmailEvents table (which contains email metadata like sender and recipient) with the AADSignInEventsBeta table (which captures Azure AD sign-in logs, including IP addresses). This join allows linking the sender's email address to the sign-in IP address used during the session that sent the email.
What should I do if I get this SC-200 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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