Which of the following security responsibilities are shared between an organization and its CSP in an IaaS cloud environment?

In an Infrastructure as a Service (IaaS) cloud environment, infrastructure security is a shared responsibility between the organization and the Cloud Service Provider (CSP). This model divides security responsibilities based on the layers of cloud computing. The CSP is responsible for securing the infrastructure components, including physical hardware, networking, and virtualized resources. Conversely, the organization is responsible for configuring and managing security measures for the resources they deploy on that infrastructure, such as firewalls, virtual machines, and access controls.

This shared responsibility model emphasizes the need for organizations to understand their role in managing security aspects related to the resources they utilize in the cloud while the CSP maintains the underlying infrastructure’s security. This collaborative approach helps ensure a secure cloud environment.

In contrast, data security is primarily the responsibility of the organization, as they control the data being stored and processed. Application security also falls mainly on the organization since they develop and deploy their applications. Platform security, which relates to the middleware and runtime environments, is generally managed by the CSP, but it does not fully engage the organization in the same way that infrastructure security does.