What is Steganography? The term “steganography” originates from the Greek words steganos (meaning “covered” or “hidden”) and graphein (meaning “to write” or “to draw”). It refers to the technique of concealing messages within other non-secret files such as images, videos, or audio files. Beyond simple data hiding, steganography also serves to protect copyright and prevent unauthorized use of digital content. It’s common to encrypt the hidden message before embedding it to enhance confidentiality. ...