Describe the shared responsibility model

In organizations running only on-premises hardware and software, the organization is 100 percent responsible for implementing security and compliance. With cloud-based services, that responsibility is shared between the customer and the cloud provider.

The shared responsibility model identifies which security tasks are handled by the cloud provider, and which security tasks are handled by you, the customer. The responsibilities vary depending on where the workload is hosted:

• Software as a Service (SaaS)
• Platform as a Service (PaaS)
• Infrastructure as a Service (IaaS)
• On-premises datacenter

The shared responsibility model makes responsibilities clear. When organizations move to the cloud, some responsibilities transfer to the cloud provider and some to the customer organization.

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