- A
Disable the user account in Microsoft Entra ID.
Disabling the account prevents any sign-in.
- B
Block the user's IP address in Defender for Cloud Apps.
Why wrong: Blocking IP may affect other users and is not user-specific.
- C
Reset the user's password.
Password reset forces reauthentication with new credentials.
- D
Revoke the user's session tokens.
Why wrong: Session revocation ends current sessions but does not prevent new sign-ins.
- E
Delete the user's mailbox in Exchange Online.
Why wrong: Deleting mailbox is permanent and not a containment action.
Question 290 of 1,639
Contain Compromised User Account in Microsoft 365 Defender
This SC-200 practice question tests your understanding of respond to security incidents. 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.
Which TWO actions are valid for containing a compromised user account in Microsoft 365 Defender? (Choose two.)
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Disable the user account in Microsoft Entra ID.
The correct answers are A and C. Disabling the user account in Microsoft Entra ID immediately blocks all access by preventing authentication. Resetting the user's password forces the user to change credentials, invalidating current sessions and preventing further unauthorized access. B is incorrect because blocking the user's IP address may affect other users behind the same IP and does not fully contain the account compromise. D (Revoke session tokens) is not a primary containment action because it only terminates current sessions but does not prevent new sign-ins if the credentials remain valid. E (Delete the user's mailbox) is overly destructive and unnecessary for containment; it should only be considered after legal and data preservation requirements are met.
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.
- ✓
Disable the user account in Microsoft Entra ID.
Why this is correct
Disabling the account prevents any sign-in.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Block the user's IP address in Defender for Cloud Apps.
Why it's wrong here
Blocking IP may affect other users and is not user-specific.
- ✓
Reset the user's password.
Why this is correct
Password reset forces reauthentication with new credentials.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Revoke the user's session tokens.
Why it's wrong here
Session revocation ends current sessions but does not prevent new sign-ins.
- ✗
Delete the user's mailbox in Exchange Online.
Why it's wrong here
Deleting mailbox is permanent and not a containment action.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Detailed technical explanation
How to think about this question
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
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.
- Use explanations to understand the rule behind the answer.
TExam Day Tips
- Underline the problem statement mentally.
- 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 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
Got this wrong? Here's your next step.
Identify which SC-200 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
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FAQ
Questions learners often ask
What does this SC-200 question test?
Respond to security incidents — This question tests Respond to security incidents — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Disable the user account in Microsoft Entra ID. — The correct answers are A and C. Disabling the user account in Microsoft Entra ID immediately blocks all access by preventing authentication. Resetting the user's password forces the user to change credentials, invalidating current sessions and preventing further unauthorized access. B is incorrect because blocking the user's IP address may affect other users behind the same IP and does not fully contain the account compromise. D (Revoke session tokens) is not a primary containment action because it only terminates current sessions but does not prevent new sign-ins if the credentials remain valid. E (Delete the user's mailbox) is overly destructive and unnecessary for containment; it should only be considered after legal and data preservation requirements are met.
What should I do if I get this SC-200 question wrong?
Identify which SC-200 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
About these practice questions
Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →
Same concept, more angles
3 more ways this is tested on SC-200
These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.
Variation 1. Which TWO actions are valid containment steps for a compromised user account in Microsoft Defender XDR?
hard- A.Create a new email rule to forward emails
- ✓ B.Disable the user account in Microsoft Entra ID
- C.Add the user to a privileged role
- ✓ D.Reset the user's password
- E.Run a full antivirus scan on the user's device
Why B: Disabling the user account in Microsoft Entra ID is a valid containment step because it immediately revokes the user's access to all cloud resources, including Microsoft 365, Azure, and any applications relying on Entra ID authentication. This prevents the compromised account from being used for further malicious activities while preserving the account for investigation. It is a core incident response action in Microsoft Defender XDR for containing identity-based threats.
Variation 2. During an incident response, you identify that a user's account was used to sign in from an unusual location. You need to contain the incident immediately. What should you do first?
medium- A.Reset the user's password.
- ✓ B.Disable the user account in Microsoft Entra ID.
- C.Revoke the user's refresh tokens.
- D.Create a Conditional Access policy to block the user.
Why B: Disabling the user account in Microsoft Entra ID is the fastest and most effective way to immediately prevent any further sign-ins from any location, including the compromised session. This action blocks all authentication attempts instantly, regardless of tokens or session state, and is the recommended first step in containing a confirmed account compromise during incident response.
Variation 3. You are investigating an incident in Microsoft Sentinel where a user account was used to sign in from an unfamiliar location and then accessed multiple sensitive files. Which step is most important to perform first?
easy- A.Block the IP address of the unfamiliar location.
- B.Check firewall logs for related network traffic.
- C.Review file permissions on the accessed files.
- ✓ D.Disable the user account and reset the password.
Why D: Option D is correct because confirming account compromise and immediately disabling the user account is the highest priority to stop further malicious activity. Resetting the password prevents the attacker from using the compromised credentials. Option A is incorrect because blocking the IP address alone may be ineffective if the attacker uses proxies, and it does not secure the account. Option B is incorrect because checking firewall logs is a secondary forensic step that does not address the immediate threat. Option C is incorrect because reviewing file permissions should be done after securing the account.
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Last reviewed: Jun 21, 2026
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