User profiling, which classifies users into different risk classes, is regarded as a cost effective method to ensure adequate security of critical assets and services in many domains in which adversaries have heterogeneous incentives to commit security breaches. The benefit of profiling is that...

Organizations undertake capital investments in technology to generate revenues or decrease costs, and thereby enhance profitability. However, Red Queen--type responses by competing organizations in the form of rapid imitation and escalating of technology investments erode the ability of the...

Many firms are moving to make virtual interfaces their primary, or even sole, points of customer contact. In this environment, some traditional service quality dimensions that determine customer satisfaction, such as the physical appearance of facilities, employees, and equipment, and employees'...