Quick Answer
The answer is the CloudAppEvents table. This is correct because CloudAppEvents captures audit logs for cloud applications like Exchange Online, including mailbox access events such as logins, message reads, and folder bindings, and it contains the IPAddress field needed to filter by a specific IP. On the SC-200 exam, this question tests your ability to map a real-world investigative scenario—finding mailbox access from an IP—to the correct Advanced Hunting table, often tripping candidates who mistakenly choose EmailEvents (which lacks IP data for logins) or IdentityLogonEvents (which covers Azure AD, not mailbox operations). Remember that CloudAppEvents is your go-to for any cloud app activity, not just email; think of it as the "cloud audit log" table. A useful memory tip: "CloudAppEvents covers the cloud app, not just the email—so for mailbox access from an IP, it’s the only table that fits."
This SC-200 practice question tests your understanding of mitigate threats using microsoft defender xdr. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. 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.
An analyst is investigating an incident where a user's mailbox was compromised. The analyst wants to find all mailbox access events (e.g., logins, message access) performed from a specific IP address. Which Advanced Hunting table in Microsoft 365 Defender should be queried?
CloudAppEvents
Correct. This table logs actions in cloud apps including mailbox access events.
EmailEvents
Why wrong: EmailEvents contains information about email delivery, not mailbox access.
EmailAttachmentInfo
Why wrong: This table stores information about email attachments, not access logs.
AADSignInEventsBeta
Why wrong: AADSignInEvents tracks user sign-ins to Microsoft Entra ID, not granular mailbox operations.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
CloudAppEvents
The CloudAppEvents table in Microsoft 365 Defender captures audit logs for cloud applications, including Exchange Online mailbox operations such as logins, message access, and folder bindings. This table contains the 'IPAddress' field, allowing the analyst to filter events from a specific IP address. Other tables lack the necessary scope of mailbox access events or the IP address field for this query.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
CloudAppEvents
Why this is correct
Correct. This table logs actions in cloud apps including mailbox access events.
Related concept
Read the scenario before looking for a memorised answer.
EmailEvents
Why it's wrong here
EmailEvents contains information about email delivery, not mailbox access.
EmailAttachmentInfo
Why it's wrong here
This table stores information about email attachments, not access logs.
AADSignInEventsBeta
Why it's wrong here
AADSignInEvents tracks user sign-ins to Microsoft Entra ID, not granular mailbox operations.
Common exam traps
The trap here is that candidates confuse Azure AD sign-in logs (AADSignInEventsBeta) with mailbox access logs, but Azure AD logs only capture authentication events, not the subsequent application-level operations within Exchange Online.
Detailed technical explanation
The CloudAppEvents table is populated by Microsoft 365 Defender's cloud app security connector, which ingests audit logs from Exchange Online via the Office 365 Management Activity API. Each row includes 'ActivityType' (e.g., 'MailboxLogin', 'MailItemsAccessed') and 'IPAddress', enabling precise filtering. A real-world scenario: an attacker uses a VPN IP to access a compromised mailbox; querying CloudAppEvents with that IP and filtering for 'MailItemsAccessed' reveals exactly which messages were exfiltrated, while AADSignInEventsBeta would only show the initial authentication, not the subsequent mailbox actions.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A company's IT admin needs to give a contractor read-only access to production logs without sharing account credentials. Using role-based access control (RBAC) and temporary scoped permissions — not a permanent shared password — is the correct pattern. Questions like this test whether you can apply least-privilege access across cloud identity services.
What to study next
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FAQ
Mitigate threats using Microsoft Defender XDR — This question tests Mitigate threats using Microsoft Defender XDR — Read the scenario before looking for a memorised answer..
The correct answer is: CloudAppEvents — The CloudAppEvents table in Microsoft 365 Defender captures audit logs for cloud applications, including Exchange Online mailbox operations such as logins, message access, and folder bindings. This table contains the 'IPAddress' field, allowing the analyst to filter events from a specific IP address. Other tables lack the necessary scope of mailbox access events or the IP address field for this query.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 11, 2026
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