Security can't be an afterthought. It is essential in the multitenant environment of cloud.
It is clearly defined what the responsibility of AWS is as a service provider, and what the responsibility of a customer is as a consumer of AWS resources, and that helps to make the environment more secure.
AWS is responsible for securing the cloud infrastructure while the customer is responsible for configuring security in the cloud.
The responsibility of AWS and a customer may change based on the cloud service model used by the customer.
Platform as a Service (PaaS) model demands more responsibility from AWS compared with Infrastructure as a Service (IaaS) because the customer has very little control over the overall environment in PaaS:
As you go down in service model, customer...
