Steganography is concerned with hiding information in some cover medium , by manipulating properties of the medium in such a way that the hidden information is not easily detectable by an observer ( Fridrich , 2009 ) .
steganography in digital media principles algorithms and applications
Jessica Fridrich
Steganography is concerned with hiding information in some cover medium , by manipulating properties of the medium in such a way that the hidden information is not easily detectable by an observer ( Fridrich , 2009 ) . The covert communication is such that the very act of communication is to be kept secret from outside observers .
Steganography is concerned with hiding information in some cover medium , by manipulating properties of the medium in such a way that the hidden information is not easily detectable by an observer ( @@CITATION ) .