Current computing environments are becoming increasingly complex in nature and exhibit unpredictable workloads. These environments create challenges to the design of systems that c...
In this paper, we propose a new form of image-based CAPTCHA we term "scene tagging". It tests the ability to recognize a relationship between multiple objects in an imag...
The blooming e-commerce is demanding better methods to protect online users' privacy, especially the credit card information that is widely used in online shopping. Holding a...
PICNIC is a tool for verifying security properties of systems, namely non-interference properties of processes expressed as terms of the π-calculus with two security levels and d...
Educational Partnerships and Learning Technologies (EPLT) [1] at the University of Washington maintains and supports a fleet of approximately 1,000 general-access student computin...