Now, in the beginning of twenty first century which is called 'information century ' this work, intends to investigate the most important feature of this era that is 'data'. Early days, when man had not been developed by the means of communication, in order to survive, he was in need of some information about the world around him to find food and shelter that information in broader initiatives and more serious concept can be called as data, today. During the years, man has analyzed and segmented the data (even written document) differently, according to the needs (daily) and precedence of the work in various frames, to keep them secure, and not to be accessed by unauthorized persons. The frame could be a file, directory, safe, locker… etc., but the most important aspect of it, was the security and safety, i.e. not to be changed with other things or used by anyone and availability of deposit(s), whenever needed.