Sushil Jajodia

Neil F. Johnson

Zoran Duric

Information Hiding: Steganography and Watermarking - Attacks and Countermeasures deals with information hiding. With the proliferation of multimedia on the Internet, information hiding addresses two areas of concern: privacy of information from surveillance (steganography) and protection of intellectual property (digital watermarking). Steganography (literally, covered writing) explores methods to hide the existence of hidden messages. These methods include invisible ink, microdot, digital signature, covert channel, and spread spectrum communication. Digital watermarks represent a commercial application of steganography. Watermarks can be used to track the copyright and ownership of electronic media. In this volume, the authors focus on techniques for hiding information in digital media. They analyze the hiding techniques to uncover their limitations. These limitations are employed to devise attacks against hidden information. The goal of these attacks is to expose the existence of a secret message or render a digital watermark unusable. In assessing these attacks, countermeasures are developed to assist in protecting digital watermarking systems. Understanding the limitations of the current methods will lead us to build more robust methods that can survive various manipulation and attacks. The more information that is placed in the public's reach on the Internet, the more owners of such information need to protect themselves from theft and false representation. Systems to analyze techniques for uncovering hidden information and recover seemingly destroyed information will be useful to law enforcement authorities in computer forensics and digital traffic analysis. Information Hiding: Steganography and Watermarking - Attacks and Countermeasures presents the authors' research contributions in three fundamental areas with respect to image-based steganography and watermarking: analysis of data hiding techniques, attacks against hidden information, and countermeasures to attacks against digital watermarks. Information Hiding: Steganography and Watermarking – Attacks and Countermeasures is suitable for a secondary text in a graduate level course, and as a reference for researchers and practitioners in industry.

Steganography and Watermarking - Attacks and Countermeasures

Information Hiding: Steganography and Watermarking-Attacks and Countermeasures

Robert C. Brown

John A. Hoskins

The Editors are sorry that the production of this volume was delayed by the ill health of one of them and we hope that this does not detract from the value of the con tents. For once this delay is not the fault of any of the authors only the editors are to blame. Many of the workers in the field of fibre toxicology became convinced by the middle 1980's that the worst of the furore over asbestos was over although we were left with an intriguing problem - how does asbestos cause disease? It was expected that the future impact of fibres on human health would be very small since asbestos exposure would be controlled and there was little chance that man-made fibres would prove haz ardous. These man-made fibres are much thicker than asbestos and, in most cases, they are less durable in the body. Both of these properties are believed to make them much less likely to cause disease. However many of us had fallen into the habit of calling these materials "asbestos substitutes" and thus they have acquired a little of the notoriety at tached to the natural fibrous minerals. Very few of these man-made fibres are actually used as replacements for asbestos. Asbestos was not suitable for the uses to which the insulation wools are usually put and the ceramic fibres are replacements for fire brick not asbestos which is destroyed at the temperatures at which these materials are used.

Mechanisms in Fibre Carcinogenesis

Defining complexity as an unsolved puzzle representing the most important scientific development since general relativity, a layperson's introduction draws on such disciplines as chaos, game theory, and economics to reveal unexpected ways in which order eventually emerges from the interaction of all things.

A Simple Guide to the Science of All Sciences

Two's Company, Three is Complexity

Jan Camenisch

Christian Collberg

Phil Sallee

This volume constitutes the refereed post-proceedings of the 8th International Workshop on Information Hiding held in Alexandria, Virginia, in July 2006. Twenty-five carefully reviewed full papers are organized into topical sections covering watermarking, information hiding and networking, data hiding in unusual content, fundamentals, software protection, steganalysis, steganography, and subliminal channels.

Neil F. Johnson

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