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Security and Privacy (S&P) preserved systems play an important role in decision support for Internet-mediated service provision. It is essential (need to be mandatory) to enable systems/users to represent and update their security and maintain privacy with other peers (systems, in open networks) for sharing files, and especially to accessing reliable services in computing/real world scenarios. Privacy and security concerns are highly critical one and required efficient solution from research communities (working in different domains/disciplines around the world). The motto of this very article is to provide apprehensive and rightful information about the existing security and privacy issues, approaches, hurdles, etc. in a plethora of platforms to enhance the data quality in the corresponding processing department. Note that among several issues like trust, efficiency, scalability, security, complexity, etc., especially security and privacy issues (in various computing platforms) have been discussed in this work. The review methodology has led to the successful revelations of the major challenges and necessities for safe and secure privacy in real time. [ABSTRACT FROM AUTHOR]