
Steganography (i, i) is the art or practice of concealing a message, image, or file within another message, image, or file. The word steganography combines the Ancient Greek words steganos (στεγανός), meaning `covered, concealed, or protected`, and graphein (γράφειν) meaning `writing`. The first recorded use of the term was in 1...
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writing in a secret, hidden, or encoded manner
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• (n.) The art of writing in cipher, or in characters which are not intelligible except to persons who have the key; cryptography.
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(from the article `cybercrime`) ...terrorists may also use cryptographic means to conceal their plans. Law-enforcement officials report that some terrorist groups embed instructions ...
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http://www.britannica.com/eb/a-z/s/158
Steg`a·nog'ra·phy noun [ Greek ... covered (fr. ... to cover closely) +
-graphy .] The art of writing in cipher, or in characters which are not intelligible except to persons who have the key; cryptography.
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http://www.encyclo.co.uk/webster/S/191

steganography, steganograph, steganographic, steganographical 1. Defined in dictionaries as the art of writing in ciphers or characters that are not intelligible, except to the persons who correspond with each other; cryptography (secret writing). 2. The art and science of communicating in a way that hides the existence of the communication. Stega...
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