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XSIAM-ANALYST · Question #59

A Cortex XSIAM analyst in a SOC is reviewing an incident involving a workstation showing signs of a potential breach. The incident includes an alert from Cortex XDR Analytics Alert source: "Remote…

The correct answer is C. Isolate Endpoint: Prevent the endpoint from communicating with the network. Network isolation immediately cuts the compromised workstation off from lateral movement and command-and-control, containing the threat while you continue triage and remediation.

Incident Response

Question

A Cortex XSIAM analyst in a SOC is reviewing an incident involving a workstation showing signs of a potential breach. The incident includes an alert from Cortex XDR Analytics Alert source:

"Remote service command execution from an uncommon source." As part of the incident handling process, the analyst must apply response actions to contain the threat effectively. Which initial Cortex XDR agent response action should be taken to reduce attacker mobility on the network?

Options

  • ABlock IP Address: Prevent future connections to the IP from the workstation.
  • BTerminate Process: Stop the suspicious processes identified.
  • CIsolate Endpoint: Prevent the endpoint from communicating with the network.
  • DRemove Malicious File: Delete the malicious file detected.

How the community answered

(28 responses)
  • A
    4% (1)
  • B
    11% (3)
  • C
    82% (23)
  • D
    4% (1)

Explanation

Network isolation immediately cuts the compromised workstation off from lateral movement and command-and-control, containing the threat while you continue triage and remediation.

Topics

#endpoint isolation#incident response#network containment#Cortex XDR agent

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