This SY0-701 practice question tests your understanding of security operations. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. 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 SOC analyst confirms that an employee entered credentials into a phishing site and that the mailbox now shows a new forwarding rule sending messages to an external address. The account is still signed in on a laptop and a mobile phone. What is the best next action?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "best"
Why it matters: Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Revoke active sessions and force a password reset for the account.
Option B is correct because the immediate priority is to contain the compromised account by terminating all active sessions (revoking OAuth tokens, clearing SAML sessions) and forcing a password reset to prevent further unauthorized access. The mailbox forwarding rule indicates the attacker has established persistence, and the active sessions on the laptop and mobile phone mean the attacker could still be using the account. Revoking sessions ensures the attacker cannot continue exfiltration or lateral movement, while the password reset invalidates the stolen credentials.
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.
✗
Wait for the user to log out naturally before taking action.
Why it's wrong here
Delaying action gives the attacker more time to use stolen sessions and access additional mail.
✓
Revoke active sessions and force a password reset for the account.
Why this is correct
This removes the attacker’s current access path and prevents reuse of the compromised credentials.
Clue confirmation
The clue word "best" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
Archive the mailbox and close the ticket after notifying the user.
Why it's wrong here
Archiving does not stop compromise and ignores active suspicious access and mailbox manipulation.
✗
Delete the forwarding rule only and consider the incident closed.
Why it's wrong here
The attacker may still have valid sessions or a captured password after the rule is removed.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates may think waiting for the user to log out (Option A) is acceptable because the user is still signed in, but in security operations, you must assume the attacker has active access and act immediately to revoke sessions rather than relying on user behavior.
Detailed technical explanation
How to think about this question
When a user authenticates via OAuth 2.0 (e.g., Microsoft 365 or Google Workspace), access tokens and refresh tokens are issued with specific lifetimes; revoking these tokens via the identity provider's admin API (e.g., Revoke-AzureADUserAllRefreshToken in PowerShell) immediately terminates all sessions without requiring the user to log out. The forwarding rule (often set via Exchange Web Services or Outlook rules) can be removed by an admin using Set-Mailbox -ForwardingSmtpAddress $null, but session revocation must come first to prevent the attacker from re-adding the rule. In real-world incidents, attackers often use the compromised session to set up additional persistence like mailbox delegates or app passwords, so immediate session termination is critical.
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
An employee at a financial services firm receives an email that appears to come from the IT helpdesk, asking them to reset their password via a link. The link leads to a convincing fake portal that harvests credentials. Security teams use phishing simulations and security-awareness training to reduce this attack vector. Questions like this test whether you can identify social engineering techniques and appropriate controls.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this SY0-701 question in full detail.
Security Operations — This question tests Security Operations — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Revoke active sessions and force a password reset for the account. — Option B is correct because the immediate priority is to contain the compromised account by terminating all active sessions (revoking OAuth tokens, clearing SAML sessions) and forcing a password reset to prevent further unauthorized access. The mailbox forwarding rule indicates the attacker has established persistence, and the active sessions on the laptop and mobile phone mean the attacker could still be using the account. Revoking sessions ensures the attacker cannot continue exfiltration or lateral movement, while the password reset invalidates the stolen credentials.
What should I do if I get this SY0-701 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Are there clue words in this question I should notice?
Yes — watch for: "best". Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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