Question 1mediummultiple choice
Full question →mediummultiple choiceObjective-mapped
The SOC has contained a mailbox compromise by resetting the password and revoking active sessions. Investigation shows the attacker created an automatic forwarding rule and added an OAuth consent grant. What should happen next to eradicate the threat?
Answer choices
Why each option matters
Good practice is not just finding the correct option. The wrong answers often show the exact trap the exam wants you to fall into.
A
Distractor review
Notify all employees to be more careful with email before taking any technical steps.
Awareness messaging is useful later, but it does not remove attacker persistence from the account.
B
Distractor review
Delete the mailbox and create a new account for the user immediately.
Deleting the mailbox can cause unnecessary data loss and is not the preferred eradication step.
C
Best answer
Remove the malicious forwarding rule and review or revoke suspicious OAuth app grants.
Eradication means removing the adversary's persistence mechanisms and closing the foothold they created. In a mailbox compromise, forwarding rules and unauthorized OAuth consents are common persistence methods. Removing those artifacts, then confirming no other malicious rules or delegated access remain, is the correct next step before returning the account to normal use and monitoring for recurrence.
D
Distractor review
Restore the user's messages from backup and reopen access without further review.
Restoring mail content alone does not remove attacker access, hidden rules, or malicious application grants.
Common exam trap
Common exam trap: NAT rules depend on direction and matching traffic
NAT is not only about the public address. The inside/outside interface roles and the ACL or rule that matches traffic are just as important.
Technical deep dive
How to think about this question
NAT questions usually test address translation, overload/PAT behaviour, static mappings and whether the right traffic is being translated. Read the interface direction and address terms carefully.
KKey Concepts to Remember
- Static NAT maps one inside address to one outside address.
- PAT allows many inside hosts to share one public address using ports.
- Inside local and inside global describe the private and translated addresses.
- NAT ACLs identify traffic for translation, not always security filtering.
TExam Day Tips
- Identify inside and outside interfaces first.
- Check whether the scenario needs static NAT, dynamic NAT or PAT.
- Do not confuse NAT matching ACLs with normal packet-filtering intent.
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More questions from this exam
Keep practising from the same exam bank, or move into a focused topic page if this question exposed a weak area.
Question 1
A laptop is suspected of being used in a malware incident. It is still powered on and connected to Wi-Fi. What should the responder do before shutting it down?
Question 2
An employee reports a ransomware note on a file server. The server is still powered on, shares are still being accessed, and management wants service restored as quickly as possible. What should the incident response team do first?
Question 3
An employee reports a ransomware note on a finance laptop. The laptop is still powered on, connected to Wi-Fi, and the user says they were just working in a spreadsheet. Management wants the fastest safe response that also preserves evidence. What should the responder do first?
Question 4
You are handed a company laptop suspected in an insider theft case. Legal says the evidence may be needed in court. Which action best preserves admissibility?
Question 5
A developer wants to reduce the risk of SQL injection in a new customer search form. Which two changes are the best mitigations? Select two.
Question 6
A branch office uses a flat LAN, and a compromise on one user workstation could spread quickly to finance systems. Management wants finance workstations isolated from general users, but finance staff still need access to a central finance application and network printer. What is the best design change?
FAQ
Questions learners often ask
What does this SY0-701 question test?
Static NAT maps one inside address to one outside address.
What is the correct answer to this question?
The correct answer is: Remove the malicious forwarding rule and review or revoke suspicious OAuth app grants. — After containment, the analyst should eradicate the compromise by removing attacker-created persistence such as forwarding rules and suspicious OAuth grants. Those artifacts can continue to leak mail or allow future access even after a password reset. Proper eradication also includes reviewing mailbox audit logs and delegated permissions to ensure the account is clean before service is restored and the user resumes normal work. Why others are wrong: A is a support action, not eradication. B is overly destructive and can create unnecessary data loss when targeted cleanup is possible. D focuses on recovery content rather than removing attacker control. The key is to eliminate the mechanisms the attacker used to maintain access.
What should I do if I get this SY0-701 question wrong?
Then try more questions from the same exam bank and focus on understanding why the wrong options are tempting.
Discussion
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