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Double Embedding Steganalysis: Steganalysis with Low False Positive Rates

 
: Steinebach, Martin; Ester, Andre; Liu, Huajian; Zmudzinski, Sascha

:

Hallman, R.A.:
MPS '18. Proceedings of the 2nd International Workshop on Multimedia Privacy and Security : Toronto, Canada, October 15-19, 2018
New York: ACM, 2018
ISBN: 978-1-4503-5988-7
S.38-47
Conference on Computer and Communications Security (CCS) <2018, Toronto>
International Workshop on Multimedia Privacy and Security (MPS) <2, 2018, Toronto>
Englisch
Konferenzbeitrag
Fraunhofer SIT ()
Steganography; steganalysis; forensics

Abstract
The rise of social networks during the last 10 years has created a situation in which up to 100 million new images and photographs are uploaded and shared by users every day. This environment poses a ideal background for those who wish to communicate covertly by the use of steganography. It also creates a new set of challenges for steganalysts, who have to shift their field of work away from a purely scientific laboratory environment and into a diverse realworld scenario, while at the same time having to deal with entirely new problems, such as the detection of steganographic channels or the impact that even a low false positive rate has when investigating the millions of images which are shared every day on social networks. We evaluate how to address these challenges with tradi tional steganographic and statistical methods, rather then using high performance computing and machine learning. By the double embedding attack on the well-known F5 steganographic algorithm we achieve a false positive rate well below known attacks.

: http://publica.fraunhofer.de/dokumente/N-520016.html