steganography
UK /ˌstɛɡ.ənˈɒɡ.ɹə.fi/ · US /ˌstɛ.ɡəˈnɔ.ɡɹə.fi/ noun
- noun The art and science of concealing a secret message, data, or file within another innocuous message, image, audio file, or physical object in a way that hides the very existence of the hidden information from casual observation.
- noun (computing, cryptography) The use of small computer files to communicate secret information.
Synonyms
Etymology
From Ancient Greek στεγανός (steganós, “cover, roof”) + -graphy.
Webster’s 1913
- noun The art of writing in cipher, or in characters which are not intelligible except to persons who have the key; cryptography.
Etymology [Gr. -graphy.]
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “steganography”, CC BY-SA 4.0. Details