[WM]: Query

["Vidyasagar Potdar" <Vidyasagar.Potdar@cbs.curtin.edu.au>]

Hello Watermarkers
I have a query. I was reading a paper titled  

Michael Sieffert, Rodney Forbes, Charles Green, Leonard Popyack, Thomas Blake,"Stego Intrusion Detection System (SIDS)"

I was wondering how SIDS can differenciate between watermarked image and stego image.
What could be the logic to differenciate an image from being watermarked to being used for steganogarphy Can anyone share their
views on the same

Regards
Vidy

Abstract:
This paper will describe the design, development, and testing of a prototype computer network Steganography Intrusion Detection
System
(SIDS) architecture. The Air Force Research Laboratory (AFRL) recognized the need to have the ability to detect the presence of
hidden data in perception-based objects (e.g., images) passed into and out of computer networks. With widespread use of commercial
and freeware steganography tools, it is very likely that these techniques will be used against our networks eventually and we must
be prepared for such an attack. The SIDS effort at AFRL developed the first intrusion detection system of its kind that demonstrates
how hidden data can be discovered as it enters or leaves an enterprise network. While further research is required in steganalysis
techniques, this paper will describe the framework that is a step towards steganography detection in web traffic. This paper will
describe our method to reconstruct image data from HTTP web traffic, the plug-in interface for steganalysis algorithms, and the
graphical user interface as well as provide test data from realistic network testing.
Future work and needs will be presented.




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