The art of creating and transmitting hidden messages. But those in the spy business make a careful distinction between the techniques of cryptography and steganography , although both are aspects of the art of secret communication. Steganography , on the other hand, keeps the message secret by hiding the fact that it exists at all.
Invisible ink is another example.
Steganography derives from the Greek steganos , hidden or covered, plus graphein , to write. Someone who uses this technique is a steganographer . All rights reserved. Page created 23 October 1999.