Cloud computing is the new way to deliver and use enterprise applications—it’s becoming the preferred solution for companies extending their infrastructure. When you work with cloud computing, you don't need to install and maintain any software on your own system. Cloud computing is accessing resources from your computer and storing them in a server. A cloud services provider manages the apps and software. Managed by: Cloud Services Provider. Cloud computing resources are scalable and elastic. This means that you do not always need to own more hardware than you need, instead scaling capacity up and down in response to traffic spikes. You can also use your provider's global network to spread your application nearer to end users across the globe, even if it is geographically distant from them. This paper reviews on the concept of cloud computing, its components and how it is benefiting organisations.

Keywords: Cloud Computing, Cloud Data Access, Cloud Security.