Definition of steganography in US English:



  • The practice of concealing messages or information within other nonsecret text or data.

    • ‘Provos is an expert on steganography, the science of concealing secret messages in seemingly innocuous content.’
    • ‘The output, together with the card's pin code, was sent to him electronically via steganography - a technology for encoding information into pictures.’
    • ‘Kelley claims that terrorists are embedding secret messages in images, using a method called steganography.’
    • ‘With the Internet, steganography has come of age.’
    • ‘Also, steganography, the technique of hiding messages in minute changes to images, is very difficult to detect.’
    • ‘According to Ishikawa, the FBI thinks terrorists are sharing information by hiding it in images postedon eBay using a process called steganography.’
    • ‘Humphrey, who is interested in steganography, has focused his project on how people's e-mail language and styles can include undetectable, embedded messages.’
    • ‘Only days later, the New York Times published its version of the threat by steganography in the hands of terrorists.’
    • ‘Image steganography offers a method for embedding hidden information into an image.’
    • ‘In short, they conclude, there is no significant use of steganography on the Internet.’
    • ‘Anybody, including mad bombers, can do steganography using software off a magazine cov er or the Net.’
    • ‘Audio watermarking is an increasingly common example of steganography.’
    • ‘For example, steganography is often used to place a watermark on a copyrighted digital file.’
    • ‘It just struck me that "watermarking" and "fingerprinting" are just special cases of steganography.’
    • ‘A threat also exists in the form of steganography, which is the insertion of an encrypted message in a larger image file.’
    • ‘It might even be possible to automate the process of experimentation in fields such as steganography.’
    • ‘The enormous increase in surveillance has been justified by claims that terrorists are using cryptography, and in particular steganography: the art of hiding information.’
    • ‘Simply, steganography is the science of hiding messages in messages.’
    • ‘The word steganography comes from the Greek "steganos" (covered or secret) and "-graphy" (writing or drawing) and thus means covered writing.’
    • ‘The broadcast showed fabricated images that were suggesting terrorist use of steganography.’


Late 16th century: modern Latin steganographia, from Greek steganos ‘covered’ + -graphy.