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Question 31 - 312-40 discussion

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Ray Nicholson works as a senior cloud security engineer in TerraCloud Sec Pvt. Ltd. His organization deployed all applications in a cloud environment in various virtual machines. Using IDS, Ray identified that an attacker compromised a particular VM. He would like to limit the scope of the incident and protect other resources in the cloud. If Ray turns off the VM, what will happen?

A.
The data required to be investigated will be lost
Answers
A.
The data required to be investigated will be lost
B.
The data required to be investigated will be recovered
Answers
B.
The data required to be investigated will be recovered
C.
The data required to be investigated will be stored in the VHD
Answers
C.
The data required to be investigated will be stored in the VHD
D.
The data required to be investigated will be saved
Answers
D.
The data required to be investigated will be saved
Suggested answer: A

Explanation:

When Ray Nicholson, the senior cloud security engineer, identifies that an attacker has compromised a particular virtual machine (VM) using an Intrusion Detection System (IDS), his priority is to limit the scope of the incident and protect other resources in the cloud environment. Turning off the compromised VM may seem like an immediate protective action, but it has significant implications:

1.Shutdown Impact: When a VM is turned off, its current state and all volatile data in the RAM are lost. This includes any data that might be crucial for forensic analysis, such as the attacker's tools and running processes.

1.Forensic Data Loss: Critical evidence needed for a thorough investigation, such as memory dumps, active network connections, and ephemeral data, will no longer be accessible.

1.Data Persistence: While some data is stored in the Virtual Hard Disk (VHD), not all of the forensic data can be retrieved from the disk image alone. Live analysis often provides insights that cannot be captured from static data.

Thus, by turning off the VM, Ray risks losing essential forensic data that is necessary for a complete investigation into the incident.

1.NIST SP 800-86: Guide to Integrating Forensic Techniques into Incident Response

1.AWS Cloud Security Best Practices

1.Azure Security Documentation

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asked 18/09/2024
James Pridemore
37 questions
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