Steganography
WordNet
noun
(1) Act of writing in code or cipher
WiktionaryText
Etymology
From +
Noun
- The practice of hiding messages, so that the presence of the message itself is hidden, often by writing them in places where they may not be found.
- Specifically: the use of small files in computers to communicate secret information.
Usage notes
Steganography differs from cryptography in that cryptography conceals only the content of the message through encryption. Steganography conceals the presence of the message itself.