CSA CCSK: When investigating incident in IaaS environment, what can the user investigate on their own?

Question

When investigating an incident in an Infrastructure as a Service (IaaS) environment, what can the user investigate on their own?

A. The CSP server facility
B. The logs of all customers in a multi-tenant cloud
C. The network components controlled by the CSP
D. The CSP office spaces
E. Their own virtual instances in the cloud

Answer

E. Their own virtual instances in the cloud

Explanation

The correct answer is: E. Their own virtual instances in the cloud.

In an Infrastructure as a Service (IaaS) environment, users have control and responsibility over their own virtual instances deployed in the cloud. Therefore, the user can investigate their own virtual instances independently to assess and address any incidents that may occur.

Here’s a detailed explanation of each option and why Option E is the correct choice:

A. The CSP server facility:
The CSP (Cloud Service Provider) server facility is the physical location where the cloud infrastructure is hosted and maintained. Access to the server facility is typically restricted to authorized personnel from the CSP and is not within the user’s scope of control or investigation. Physical security of the server facility is the responsibility of the CSP.

B. The logs of all customers in a multi-tenant cloud:
In a multi-tenant cloud environment, where multiple customers share the same underlying infrastructure, users do not have access to logs or data belonging to other customers. Each user’s data and logs are isolated and kept private from other tenants for security and privacy reasons. Investigating logs of other customers’ instances would violate the principle of data isolation and privacy.

C. The network components controlled by the CSP:
Network components, such as routers, switches, and load balancers, are part of the cloud infrastructure that is managed and controlled by the CSP. Users typically do not have direct access or control over these network components. Investigation of network components is the responsibility of the CSP’s security team.

D. The CSP office spaces:
Physical access to the CSP’s office spaces, like the server facility, is restricted to authorized personnel and not within the scope of the user’s investigation. Physical security of the CSP’s office spaces is the responsibility of the CSP.

E. Their own virtual instances in the cloud:
Virtual instances in an IaaS environment are the virtual machines or servers provisioned by users to run their applications and workloads. Users have administrative control over their own virtual instances, which means they can investigate, monitor, and manage their instances independently. When investigating an incident that affects their applications or data, users can review logs, configuration settings, and other relevant information within their virtual instances to identify potential issues or security breaches.

In summary, in an Infrastructure as a Service (IaaS) environment, the user can investigate their own virtual instances in the cloud. They have administrative control over their instances, allowing them to conduct independent investigations and take appropriate actions to mitigate incidents or security concerns related to their applications and data. Other aspects, such as the CSP server facility, logs of other customers, and network components, are the responsibility of the CSP’s security and operations teams, and users do not have direct access to these resources.

Reference

• AWS Security Incident Response Guide – AWS Security Incident Response Guide (amazon.com)
• Microsoft cloud security benchmark – Incident Response | Microsoft Learn
• Cloud Incident Response – Palo Alto Networks
• CSA-Guidance/Domain 9- Incident Response.md at master · cloudsecurityalliance/CSA-Guidance · GitHub
• Best Practices for Cloud Incident Response – DevOps.com
• incident_handling_in_the_cloud_handbook (europa.eu)
• Cloud Incident Response | CSA (cloudsecurityalliance.org)

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