The data in every field of business is increasing day by day. This is evident from the fact that every company is demanding space for keeping their Terabytes of data. More importantly, there is a strong demand to compute available data to retrieve information from it. This results in demand of new and improved ways to reveal the nuggets of information from Tera-bytes of data available. The revealing of information is possible using wide variety of available data extraction tools and techniques which are increasing in efficiency and methodology. The revealing of information also brings with it the issues related to security as how and to whom such information should be shared. This day's need for information security measures has grown to its peak. The reason behind this is personalization and need to hide any unwanted revealing of either personal or business information to outside world.
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