Recent developments in sensing and communication technologies have led to an explosion
in the use of mobile devices such as smart phones and tablets. With the increase in the use …

Security vulnerabilities of traditional single factor authentication has become a major
concern for security practitioners and researchers. To mitigate single point failures, new and …

Security and privacy researchers often rely on data collected from Amazon Mechanical Turk
(MTurk) to evaluate security tools, to understand users' privacy preferences and to measure …

Internet of Things (IoT) platforms often require users to grant permissions to third-party apps,
such as the ability to control a lock. Unfortunately, because few users act based upon, or …

Despite the plethora of security advice and online education materials offered to end-users,
there exists no standard measurement tool for end-user security behaviors. We present the …

The newest contender for succeeding passwords as the incumbent web authentication
scheme is the FIDO2 standard. Jointly developed and backed by the FIDO Alliance and the …

Women in South Asian own fewer personal devices like laptops and phones than women
elsewhere in the world. Further, cultural expectations dictate that they should share mobile …

Active authentication is the problem of continuously verifying the identity of a person based
on behavioral aspects of their interaction with a computing device. In this paper, we collect …

With the growing smartphone penetration rate, smartphone settings remain one of the main
models for information privacy and security controls. Yet, their usability is largely …

Pattern lock is widely used as a mechanism for authentication and authorization on Android
devices. In this paper, we demonstrate a novel video-based attack to reconstruct Android …