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Abstract
Cloud storage is defined as "the storage of data online in the cloud," wherein a company's data is stored in and accessible from multiple distributed and connected resources that comprise a cloud. Although cloud service providers implement the best security standards and industry certifications, storing data and important files on external service providers always opens up risks. Using cloud-powered technologies means you need to provide your service provider with access to important business data. Meanwhile, being a public service opens up cloud service providers to security challenges on a routine basis. The ease in procuring and accessing cloud services can also give nefarious users the ability to scan, identify and exploit loopholes and vulnerabilities within a system. For instance, in a multi-tenant cloud architecture where multiple users are hosted on the same server, a hacker might try to break into the data of other users hosted and stored on the same server. The following paper deals with the service models of cloud computing along with types of cloud computing & characteristics of cloud. Further challenges and security issues in cloud computing is also discussed and at last conclusion and future demand for research in the field of cloud computing.
KEYWORDS: Cloud computing, Cloud platforms, Data Security, Security Challenges.
I. Introduction
Cloud computing is a general term for the delivery of hosted services over the internet. Often referred to as simply "the cloud", is the delivery of on-demand computing resources- everything from application to data centres- over the internet on a pay-for-use basic. Cloud service providers (CSP's) offer cloud platforms for their customers to use and create their web services.
Cloud computing appear as a necessity for business nowadays. Initially this was only in academics area but now it got industrial exposure due to the companies like Microsoft, Amazon, Google etc. There are various reasons because of which organizations are moving to IT solutions that include cloud computing as they have to pay for the resources on consumption basis. This makes it possible for the new start-ups to enter the market easily, since the cost is diminished. This allows the start up to concentrate to business value rather on the starting budget.
One of the most appealing factors of cloud computing is its pay-as-you-go...