Graphical password systems have received significant attention as one potential solution to the need for more usable authentication, but nearly all prior work makes the unrealisti...
Katherine Everitt, Tanya Bragin, James Fogarty, Ta...
In an ideal world, interface design is the art and science of helping users accomplish tasks in a timely, efficient, and pleasurable manner. This paper studies the inverse situati...
—Today’s rich service offer in the World Wide Web increasingly requires the disclosure of personal user data. Service providers’ appetite for personal user data, however, is ...
Non-administrator user accounts and the user account control (UAC) approach of Windows Vista are two practical solutions to limit the damage of malware infection. UAC in Windows V...
We present a distributed algorithm for assembling a proof that a request satisfies an access-control policy expressed in a formal logic, in the tradition of Lampson et al. [16]. ...