Maintaining digital security and privacy are critical issues in the modern workplace. Sensitive and proprietary data is frequently transmitted electronically, and with the large volume of such transmissions, it is inevitable that some material will be inadvertently sent to unintended recipients, leading potentially to the unintended revelation of private data. The paper reports on the design of...

In the fall of 2005, problems discovered in two SonyBMG compact disc copy protection systems, XCP and MediaMax, triggered a public uproar that ultimately led to class-action litigation and the recall of millions of discs. We present an in-depth analysis of these technologies, including their design, implementation, and deployment. The systems are surprisingly complex and suffer from a diverse a...

Digital Right Management (DRM) Systems have been created to meet the need for digital content protection and distribution. In this paper we present some of the directions of our ongoing research to apply algebraic specification techniques on mobile DRM systems.

The practical problem of assuaging the opponents of animal research may be solved without formally addressing (or resolving) the underlying ethical questions of the debate. Specifically, a peaceful boycott of the "fruits" of animal research may lead to a wider cessation of such research, than, say, vocal or even violent protest. To assist those who might wish to participate in such a boycott- a...

Recently, many pro-animal thinkers have expressed critical views on the animal rights movement. In particular, the movement has been criticized for being philosophically uninformed, politically regressive, and practically unpersuasive. This paper investigates these criticisms and seeks to map out the philosophy behind the grassroots animal rights movement, specifically. It concludes that the cr...

The smart devices and cloud computing technology have been introduced into a new content service such as N-Screen service. The DRM(digital rights management) techniques have been rapidly developed in accordance with the new service environment after the awareness on the importance of DRM technology. In spite of the technical advancement of DRM, it is being taken as an unwelcome thing by the con...