Big Data deals with a diverse and vary large set of data that includes images, video, audio, structured, unstructured as well as semistructured data. Big Data is getting bigger day by day because of voluminous amount of data that is being collected, processed and stored. It has created new challenges to preserve privacy and hence we have many privacy challenges and privacy techniques to deal with in Big Data era. There is always a potential risk to privacy in Big Data and as data is everywhere, privacy risk moves with data all the way. There are privacy requirements in Big Data and these needs to be handled very carefully otherwise risk associated with it will definitely increase.

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Big Data Structured Unstructured And Semi Structured Data Privacy Challenges Privacy Techniques.