Question 640
At the Quayside commercial bank, a host behaves abnormally after PowerShell launches but traditional file signatures show no detection. Which setting or practice should be reviewed in future?
Explanation
Correct Answer
The team should review behavior detection coverage after endpoint OS updates. That recurring practice targets the same weakness, namely that file reputation alone cannot explain all suspicious process chains or living-off-the-land activity.
Incorrect Answers
Exercise endpoint isolation and release workflow is not the primary recurring safeguard for this problem. The team should review behavior detection coverage after endpoint OS updates. For the Quayside commercial bank, the direct corrective action is to use EDR process lineage telemetry and approved behavioral response to investigate.
Monitor message ingestion delays and journaling health. That safeguard would help prevent recurrence of: Email analysis cannot protect or investigate messages it never receives. The risk being reviewed here is instead: File reputation alone cannot explain all suspicious process chains or living-off-the-land activity. The matching ongoing control is: Review behavior detection coverage after endpoint OS updates.
Audit MDM enrollment gaps and noncompliance aging. That safeguard would help prevent recurrence of: Unmanaged endpoints evade central security settings and posture reporting. The risk being reviewed here is instead: File reputation alone cannot explain all suspicious process chains or living-off-the-land activity. The matching ongoing control is: Review behavior detection coverage after endpoint OS updates.