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.

---

Etymology

Origin of steganography

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

Example Sentences

In the case of steganography, one of those distributions represents the cover text, and the other represents the ciphertext, which contains the hidden message.

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

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

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