Big data is a combination of different datasets which is growing tremendously due to the digital environment created by various sources including mobile devices, servers, digital data of population collected by the government, call centres, etc. It is also important to recognize that most of this evolution is the outcome of an explosion in the number of devices located at the periphery of networks including embedded sensors, smartphones and personal computers, etc. This paper revolves around

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... big data analytics, its importance & applications. It also enumerated the directions to be taken while using big data along with security measures. In addition, the paper proposed an approach which can enhance the security and privacy of big data.