Big data is a collection of large amount of data. Big Data is known for any collection of data sets which is enormous and intricate that it becomes challenging to process using on-hand database management tools or traditional data processing applications. Because data stored in these days are too large in enormous in size, Security and privacy of user's sensitive data is a great challenge in this era. There are too many methods and techniques are introduced in past decades for storing and protecting the user's sensitive data such as cryptographically techniques or anonymization method which derive to hiding the sensitive data. While the anonymization techniques cannot fulfill requirements of preserving privacy of sensitive data. So we require a system of techniques, that the sensitive information can be protected from hacker.
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