Managers are responsible for providing financial statements and they might try to make a good picture of their firm's conditions. Therefore, they try to delay the disclosure of bad news and release the good news as soon as possible. The ten-dency of managers toward hiding bad news increases the stock price crash risk. The protection of investor is one of the factors that can prevent from fallin...

Identity disclosure is one of the most serious privacy concerns in today’s information age. A well-know method, called k-anonymity, has recently been proposed and used to protect identity disclosure. The k-anonymity approach, however, still allows a data intruder to discern the confidential information in the anonymized data. To overcome this problem, we propose a data reconstruction approach, ...

In this paper, we discuss privacy threats on the Internet and possible solutions to this problem. Examples of privacy threats in the communication networks are identity disclosure, linking data traffic with identity, location disclosure in connection with data content transfer, user profile disclosure or data disclosure itself. Identifying the threats and the technology that may be used for pro...

Context information is used by pervasive networking and context-aware programs to adapt intelligently to different environments and user tasks. As the context information is potentially sensitive, it is often necessary to provide privacy protection mechanisms for users. These mechanisms are intended to prevent breaches of user privacy through unauthorised context disclosure. To be effective, su...

Technological advances in the collection, storage, and analysis of data have increased the ease that businesses can turn mounds of personal data into useful information. Economic value is being created through the analysis of personal data. Meanwhile, individuals are increasingly becoming aware of the value of their personal information. Privacy concerns further lead some individuals to guard t...

In the recent years, social networks (SN) are now employed for communication and networking, socializing, marketing, as well as one’s daily life. Billions of people in the world are connected though various SN platforms and applications, which results in generating massive amount of data online. This includes personal data or Personally Identifiable Information (PII). While more and more data a...

Many organizational and environmental factors affect the information disclosure and the quality of its presentation; organizational culture is the most important factor among these factors. The organizational culture that is based on transparency will provide the information environment dynamism and it will also lead to the improvement of the quality of information disclosure by the business un...