The ability to collect and disseminate individually identifiable microdata is becoming increasingly important in a number of arenas. This is especially true in health care and national security, where this data is considered vital for a number of public ...

Location-based services, which provide services based on locations of consumers' interests, are becoming essential for our daily lives. Since the location of a consumer's interest contains private information, several studies propose location privacy ...

Mobile devices are increasingly used in security-sensitive contexts such as physical access control and authorization of payment transactions. In this paper we contribute a mechanism to verify whether a mobile device currently resides within a ...