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” ( stego- ( def. ) ) + -graphy ( def. )

Example Sentences

The art of hiding secrets in plain sight is called steganography—distinct from the more commonly used cryptography, which hides the message itself but not the fact that it is being shared.

From Scientific American

It’s an abstract and tidy field, in contrast to the complicated messiness of practical steganography.

From Scientific American

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

From BBC

Taken as a whole, "Gnomon" becomes an investigation into the use and abuse of technology, theories of time and existence, semiotics, steganography and the surveillance state.

From Los Angeles Times

In some cases the hackers used a technique in known as steganography which hides malware in text and images.

From BBC