Steganography is the age-old practice of concealing a message within another med

Steganography is the age-old practice of concealing a message within another medium. Unlike cryptography, where it is clear that there is a message or file present, but it is difficult or impossible to interpret it, steganography is the art of ‘hiding in plain sight’. Cryptography conceals the contents of the message; steganography conceals the message’s existence.
Digital steganography is the concealment of information within computer files. These files could be pictures, movies, audio, or any other file that offers the size and space to add a hidden message. There are a variety of techniques to do this and readily available programs on the internet that can assist. The detection of steganography is called steganalysis.
Discuss: Provide one detailed example each of a historic use of steganography and a current use of digital steganography. In these examples, how would steganography be implemented? How could this steganography be detected? Comment on the ethics of using this technology.
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