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

Where cryptography intentionally conceals the content of a message, transforming it into a tangle of text or numbers, steganography conceals the fact that a secret exists at all.

From Scientific American • Jun. 15, 2023

The schemes of steganography, Greek for “covered writing,” predate digital media by millennia.

From Scientific American • Jun. 15, 2023

It wasn’t until the 1980s that mathematicians and computer scientists began to seek formal, mathematical rules for steganography, Cachin said.

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