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JPEG Steganography Detection with Benford's Law

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JPEG Steganography Detection with Benford's Law. / Andriotis, Panagiotis; Oikonomou, George; Tryfonas, Theo.

In: Digital Investigation, Vol. 9, No. 3-4, 15.03.2013, p. 246-257.

Research output: Contribution to journalArticle (Academic Journal)

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Andriotis, Panagiotis ; Oikonomou, George ; Tryfonas, Theo. / JPEG Steganography Detection with Benford's Law. In: Digital Investigation. 2013 ; Vol. 9, No. 3-4. pp. 246-257.

Bibtex

@article{61f6158aa1b44f9b93f1e9d7c08bb3b1,
title = "JPEG Steganography Detection with Benford's Law",
abstract = "In this paper we present a novel approach to the problem of steganography detection in JPEG images by applying a statistical attack. The method is based on the empirical Benford's Law and, more specifically, on its generalized form. We prove and extend the validity of the logarithmic rule in colour images and introduce a blind steganographic method which can flag a file as a suspicious stego-carrier. The proposed method achieves very high accuracy and speed and is based on the distributions of the first digits of the quantized Discrete Cosine Transform coefficients present in JPEGs. In order to validate and evaluate our algorithm, we developed steganographic tools which are able to analyse image files and we subsequently applied them on the popular Uncompressed Colour Image Database. Furthermore, we demonstrate that not only can our method detect steganography but, if certain criteria are met, it can also reveal which steganographic algorithm was used to embed data in a JPEG file.",
keywords = "Steganalysis, Generalized Benford's Law, Steganography detection, Data hiding, Quantized DCT coefficients",
author = "Panagiotis Andriotis and George Oikonomou and Theo Tryfonas",
year = "2013",
month = mar,
day = "15",
doi = "10.1016/j.diin.2013.01.005",
language = "English",
volume = "9",
pages = "246--257",
journal = "Digital Investigation",
issn = "1742-2876",
publisher = "Elsevier B.V.",
number = "3-4",

}

RIS - suitable for import to EndNote

TY - JOUR

T1 - JPEG Steganography Detection with Benford's Law

AU - Andriotis, Panagiotis

AU - Oikonomou, George

AU - Tryfonas, Theo

PY - 2013/3/15

Y1 - 2013/3/15

N2 - In this paper we present a novel approach to the problem of steganography detection in JPEG images by applying a statistical attack. The method is based on the empirical Benford's Law and, more specifically, on its generalized form. We prove and extend the validity of the logarithmic rule in colour images and introduce a blind steganographic method which can flag a file as a suspicious stego-carrier. The proposed method achieves very high accuracy and speed and is based on the distributions of the first digits of the quantized Discrete Cosine Transform coefficients present in JPEGs. In order to validate and evaluate our algorithm, we developed steganographic tools which are able to analyse image files and we subsequently applied them on the popular Uncompressed Colour Image Database. Furthermore, we demonstrate that not only can our method detect steganography but, if certain criteria are met, it can also reveal which steganographic algorithm was used to embed data in a JPEG file.

AB - In this paper we present a novel approach to the problem of steganography detection in JPEG images by applying a statistical attack. The method is based on the empirical Benford's Law and, more specifically, on its generalized form. We prove and extend the validity of the logarithmic rule in colour images and introduce a blind steganographic method which can flag a file as a suspicious stego-carrier. The proposed method achieves very high accuracy and speed and is based on the distributions of the first digits of the quantized Discrete Cosine Transform coefficients present in JPEGs. In order to validate and evaluate our algorithm, we developed steganographic tools which are able to analyse image files and we subsequently applied them on the popular Uncompressed Colour Image Database. Furthermore, we demonstrate that not only can our method detect steganography but, if certain criteria are met, it can also reveal which steganographic algorithm was used to embed data in a JPEG file.

KW - Steganalysis

KW - Generalized Benford's Law

KW - Steganography detection

KW - Data hiding

KW - Quantized DCT coefficients

U2 - 10.1016/j.diin.2013.01.005

DO - 10.1016/j.diin.2013.01.005

M3 - Article (Academic Journal)

VL - 9

SP - 246

EP - 257

JO - Digital Investigation

JF - Digital Investigation

SN - 1742-2876

IS - 3-4

ER -