Inderscience Publishers

Comprehensive linguistic steganography survey

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Contemporary steganography approaches suffer from many serious deficiencies; generally, they attempt to hide data as detectable and suspicious noise in a cover that is assumed to look innocent. In addition, steganography approaches found in literature have focused on how to conceal a message and not on how to camouflage its transmittal. This paper presents a comprehensive survey that focuses mainly on, but not limited to, computational linguistics aspects of steganography and it is organised as follows: Section 1 concisely details the fundamental concepts related to steganography, summarises the current state of the research, and highlights the technical concerns. Then, it briefly describes the modern steganography, namely noiseless steganography (Nostega). Section 2 discusses the contemporary steganography and Nostega paradigm (the modern steganography). Section 3 demonstrates Nostega-based methodologies. Section 4 presents a brief overview of steganalysis. Section 5 concludes the survey and highlights directions for future research.

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