steganography

American  

[steg-uh-nog-ruh-fee] / ˌstɛg əˈnɒg rə fi /

noun

1. the technique or practice of concealing a secret message or image in a digital file or physical object that is not secret, as when watermarking a digital image or using invisible ink.

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Etymology

Origin of steganography

First recorded in 1565–75; equivalent to Greek steganós “covered” ( see stego- ( def. )) + -graphy ( def. )

Example Sentences

Consider two agents, Alice and Bob, who want to communicate a message via steganography and keep it secret from Eve, their adversary.

From Scientific American • Jun. 15, 2023

He doesn’t work with steganography, but he did help design one of the algorithms the team used in the paper.

From Scientific American • Jun. 15, 2023

If Alice uses steganography to send an encoded message to Bob, that message will have its own probability distribution.

From Scientific American • Jun. 15, 2023

It was a technique called steganography, a means of hiding a data file within the code of another data file.

From BBC • Jan. 16, 2023

Based on steganography, a cryptographic trick in which data are encoded in images, Stencila’s plug-in was written to “bridge that gap between the coders and the clickers”, says founder Nokome Bentley.

From Nature • Mar. 30, 2020