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Cloud technology is very useful for the business development, as it brings about astonishing results in a short time. It is human nature that we trust those things, which are present in front of our eyes. However, in case of cloud computing, the data is mostly outsourced. There always remains a concern for the security and integrity of the data. The privacy of the user is also an important area of concern. Many systems and technique are being developed to address these issues, but still there is always a scope of improvement. While addressing the issues related to the user privacy and data security and integrity, we must consider the efficiency of the system while accessing and searching for the data. In this paper, we discuss about the major challenges in cloud environment. Also, presented is a brief overview on existing research that has been carried out in the above-mentioned areas. |
