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Abstract: Security is one of the crucial one in the technologized world, because information grows rapidly day by day. Aspopulation grows every year, information shared over internet becomes higher than what we expect and it needs preservation of data because of third party or unauthorized access. There are several techniques and methods are introduced and implemented to protect the data about the users, but security was not upto the level of protecting the data what actually we need. This reviewarticle is written about the concepts and methods implemented by various researchers for securing thedata using by different users to communicate with known user at destination point without any third-party access with the help of image fusion techniques.