steganography
nounUK /ˌstɛɡ.ənˈɒɡ.ɹə.fi/ · US /ˌstɛ.ɡəˈnɔ.ɡɹə.fi/
Etymology From Ancient Greek στεγανός (steganós, “cover, roof”) + -graphy.
1
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.
- She shewed me a short manuscript in French, where the great work was clearly explained. She told me that she did not keep it under lock and key, because it was written in a cypher, the secret of which was known only to herself. "You do not believe, then, in steganography."1894, Arthur Machen, transl., The Memoirs of Jacques Casanova de Seingalt, 1725-1798, volume 11: Paris and Holland, translation of original by Giacomo Casanova:
2
Computing, Cryptography, Engineering, Mathematics, Natural sciences, Physical sciences, Sciences The use of small computer files to communicate secret information.
- Using the steganography tools available today, suspects can even hide data inside JPEGs and audio files.2005, Chris Davis, David Cowen, Aaron Philipp, Hacking Exposed Computer Forensics: Secrets & Solutions, McGraw Hill Professional, →ISBN:
- Related terms
- steganalyst, steganogram, steganographer, steganographic, steganophony, cryptography