Today, cloud computing is a well-established industry. It is cost-effective, highly agile and flexible, with the ability to provide on-demand, large web-scale cloud computing. Data security is a major concern with a common question: is moving data to the cloud secure or not? In most cases, data is secure. However, when it comes to the fear of losing critical data, organizations tend to opt for a private cloud.

Let's discuss how shared security works in a public cloud. The security implementation of major cloud providers is not the sole responsibility of a cloud service provider, but the shared responsibility of the provider and customer. A service provider is responsible for the underlying infrastructure, but resource access and application security is the responsibility of the customer. This is similar to a situation in which you have a big community with a main entrance secured by many guards. Once you allow a visitor inside the premises, the activity...