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Preview build: sign-in and grading run on the server. MFA is not enabled, and storage is in server memory so it does not survive a restart.

LearnDefend
Browser LabLD-SOC1-LAB-003Easy
Browser LabLD-SOC1-LAB-003Easy20 min

Reading the Perimeter Log

You have one hour of firewall records from the Nexa Digital perimeter. Nothing has alerted. Your shift lead wants to know whether anything in this window deserves a ticket. Read the evidence and answer precisely.

What you will be able to do

  • Determine the direction of a connection from a raw record.
  • Distinguish a meaningful destination port from a meaningless source port.
  • Identify which single record in a busy log warrants escalation.
Network AnalysisIncident TriageT1021.001Remote Services: Remote Desktop Protocol

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