Least Significant Bit (LSB) technique is the first and simplest technique that was used to embed secret messages into cover file. This paper presents the issues and challenges faced for image steganographic techniques. Many LSB method techniques were developed in recent year using direct or un-direct position to embed secret message into cover. Some techniques for embedding information in Image files were reviewed and recommendations are being proposed for the best strategy of hide information in image files and the possibility of finding other new techniques hiding information in image files.
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