steganography

Definitions

Computing

  • noun the practice of placing secret messages in computerised

    graphics

    and music files. These messages are so small that they can only be detected by special software.

Electronics

  • The utilization of unused

    data

    or locations within a file or data to hide additional information, such as concealed messages. A message hidden in this manner may or may not be encrypted, with its key security feature being its undetectability. For instance, steganography may use

    redundant bits

    within a given

    file format

    , such as that of an image, to

    embed

    the data in an imperceptible manner. When utilized to hold bit patterns which identify the sources of

    digital

    intellectual property, such as voice, video, or data, known as

    watermark

    .
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