Privacy practices in social network sites often appear paradoxical, as content-sharing behavior stands in conflict with the need to reduce disclosure-related harms. In this study ...
People now routinely carry radio frequency identification (RFID) tags – in passports, driver’s licenses, credit cards, and other identifying cards – where nearby RFID reader...
Nicolai Marquardt, Alex S. Taylor, Nicolas Villar,...
CAPTCHAs protect online resources and services from automated access. From an attacker’s point of view, they are typically perceived as an annoyance that prevents the mass creat...
Manuel Egele, Leyla Bilge, Engin Kirda, Christophe...
Recently, ubiquitous location-based services (u-LBS) has been utilized in a variety of practical and mission-critical applications such as security services, personalization servic...
—Constraints are an important part of role-based access control policies. The safety or security of a system is maintained by enforcing constraints that are specified in the pol...