Detecting the Manipulation of Text Structure in Text Steganography Using Machine Learning

Aziz, Benjamin and Bukhelli, Aysha (2023) Detecting the Manipulation of Text Structure in Text Steganography Using Machine Learning. In: 19th International Conference on Web Information Systems and Technologies (WEBIST), 15th - 17th November 2023, Online.

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Abstract

We evaluate in this paper the security of a recent method proposed in literature for the embedding of hidden content in textual documents using paragraph size manipulation. Our steganalysis is based on machine learning, and the classification method we use for the analysis of a document utilises text attributes, such as words per paragraph, paragraph proportion based on sentences and other English document features. The embedding model showed to be resilient against the analysis techniques, where the highest plotted accuracy was 0.601, which is considered poor. The analysis methods were able to detect around half of the embedded corpus, which is equivalent to random guess. We concluded that it is difficult to detect an embedding model that manipulates paragraphs of novel texts, as the structure of these texts depend fully on the writer’s style of writing. Thus by shifting the sentences up and down paragraphs without changing the order of the sentences and affecting the context of the text, it yields a reasonably secure method of embedding.

Item Type:	Conference or Workshop Item (Paper)
Additional Information:	** From Crossref proceedings articles via Jisc Publications Router
SWORD Depositor:	JISC Router
Depositing User:	JISC Router
Date Deposited:	05 Dec 2023 08:21
Last Modified:	11 Dec 2023 13:06
URI:	https://bnu.repository.guildhe.ac.uk/id/eprint/18931

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