In this paper, we adopt the classification of personal information and hierarchy of services to build a privacy system, in which one communicates with each other via pipes with different security levels. In each level, one has the corresponding rights to access each other. The requesters are not able to be infringed based on the personal information that service obtains from service providers. ...

One distinctive feature of pervasive computing environments is the common need to gather and process context information about real persons. Unfortunately, this unavoidably affects persons’ privacy. Each time someone uses a cellular phone, a credit card, or surfs the web, he leaves a trace that is stored and processed. In a pervasive sensing environment, however, the amount of information colle...

Online social networking communities such as Facebook and MySpace are extremely popular. These sites have changed how many people develop and maintain relationships through posting and sharing personal information. The amount and depth of these personal disclosures have raised concerns regarding online privacy. We expand upon previous research on users’ under-utilization of available privacy op...

Defining privacy and related notions such as Personal Identifiable Information (PII) is a central notion in computer science and other fields. The theoretical, technological, and application aspects of PII require a framework that provides an overview and systematic structure for the discipline’s topics. This paper develops a foundation for representing information privacy. It introduces a cohe...

User-controlled identity management systems assist individuals in managing their private sphere. An individual’s privacy can be supported by transparency on processing of personal data. After giving an overview on transparency properties as well as its relation to privacy and data protection regulation, this text introduces different transparency tools: Prior to an interaction, information on t...

With the development of Internet technology, individuals have become increasingly more dependent on the network. Personal information is collected by many firms when people surf online, but information collected is often misused by collectors, which may seriously violated the privacy of consumer. For this reason, a lot of government agencies and international organizations put great emphases on...

practices – that there should be no secret systems – is fundamental to the ability of individuals to assert their interest in the privacy of their personal information. To assure openness about the existence and operation of data collection systems, collectors of personal information post privacy notices – statements that represent, among other things, the manner in which the collector acquires...

The growth of the Internet has been accompanied by a proliferation of e-services, especially in the area of e-commerce (e.g., Amazon.com, eBay.com). However, consumers of these e-services are becoming more and more sensitive to the fact that they are giving up private information every time they use them. At the same time, legislative bodies in many jurisdictions have enacted legislation to pro...

Privacy is a software quality that is closely related to security. The main difference is that security properties aim at the protection of assets that are crucial for the considered system, and privacy aims at the protection of personal data that are processed by the system. The identification of privacy protection needs in complex systems is a hard and error prone task. Stakeholders whose per...

This paper is based on the adage that 'good privacy is good business'. Personal information holds significant value and web based businesses often seek to monetize that value. Unlocking personal information value in web based businesses, like social networks, can lead to disclosure of private and sensitive information, and subsequent harm. Personal information management business practices are ...