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

See Examples For:

steganography

UK academics have contributed to CGTRI-funded projects on topics including AI, cyber-security, covert communications systems and steganography, which means hiding a secret message or file inside an ordinary message or object.

From BBC ● Sep. 30, 2026

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

For steganography, this has long been a theoretical possibility, but it was deemed impossible to achieve with actual human communications.

From Scientific American ● Jun. 15, 2023

Sokota and Schroeder de Witt had previously been working not on steganography, but on machine learning.

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