We show that the time web sites take to respond to HTTP requests can leak private information, using two different types of attacks. The first, direct timing, directly measures re...
Distributed proof construction protocols have been shown to be valuable for reasoning about authorization decisions in open distributed environments such as pervasive computing sp...
Mobile phones are becoming increasingly personalized in terms of the data they store and the types of services they provide. At the same time, field studies have reported that the...
Amy K. Karlson, A. J. Bernheim Brush, Stuart E. Sc...
The initiation of interaction in face-to-face environments is a gradual process, and takes place in a rich information landscape of awareness, attention, and social signals. One o...
Jeremy P. Birnholtz, Carl Gutwin, Gonzalo Ramos, M...
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,...