In this paper, we propose and evaluate Use Your Illusion, a novel mechanism for user authentication that is secure and usable regardless of the size of the device on which it is used. Our system relies on the human ability to recognize a degraded version ...

We evaluate website authentication measures that are designed to protect users from man-in-the-middle, "phishing', and other site forgery attacks. We asked 67 bank customers to conduct common online banking tasks. Each time they logged in, we presented ...

In the last few years, Internet users have seen the rapid expansion of "phishing", the use of spoofed e-mails and fraudulent websites designed to trick users into divulging sensitive data. More recently, we have seen the growth of "pharming", the use of ...

How can we make computer security systems usable by human users__ __ Computer security demands that we establish the identity of human users who access individual computers and online services. Conversely, human users need to be able to authenticate the ...