Steganography (/ˌstɛɡ.əˈnɒɡ.rə.fi/, STEG-ə-NOG-rəfee) is the practice of concealing a file, message, image, or video within another file, message, image, or video. The word steganography combines the Greek words steganos (στεγανός), meaning “covered, concealed, or protected,” and graphein (γράφειν) meaning “writing”.
