In the era of Information Technology, a large amount of data is getting generated to the digital world. The amount of data generated is expected to double every two years, from 2500 exabytes in 2012 to 40,000 exabytes in 2020. The exponential growth of data is now leading to the beginning of a revolution that will touch every aspect of human beings' life. Big Data is about analyzing large and complex data sets to learn new and previously unknown details. The "Big Data" is often referring to the huge amounts of digital information, companies and governments collect about human beings and our environment. Big Data is a collection of any data so large and complex that it surpasses the handling capacity of traditional data management systems and techniques.loud Computing with the ease of use and information stores supporting data variety and agility are essential to
give the foundation to Big data handling. Given the volume and multifaceted nature of Big data, it is complex for most firms to get a solid handle on the substance of the majority of their information and to catch and verify it sufficiently. With the goal that classified or potentially private business and client information are irrelevant to unapproved parties. The expenses of an information protection break can be gigantic.
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