Usable privacy and security researchers have developed a variety of approaches to
represent risk to research participants. To understand how these approaches are used and …

Iterative design, implementation, and evaluation of prototype systems is a common
approach in Human-Computer Interaction (HCI) and Usable Privacy and Security (USEC); …

Given the difficulties of studying the shoulder surfing resistance of authentication systems in
a live setting, researchers often ask study participants to shoulder surf authentications by …

Payment cultures around the globe are diverse and have significant implications on security,
privacy and trust. We study usable security aspects of payment cultures in four culturally …

In situ evaluations of novel authentication systems, where the system is evaluated in its
intended usage context, are often infeasible due to ethical and legal constraints …

In human factor fields such as human-computer interaction (HCI) and psychology,
researchers have been concerned that participants mostly come from WEIRD (Western …

Immersive technologies, including augmented and virtual reality (AR & VR) devices, have
enhanced digital communication along with a considerable increase in digital threats. Thus …

In human factor fields such as human-computer interaction (HCI) and psychology,
researchers have been concerned that participants mostly come from WEIRD (Western …

Increased levels of digitalization in society expose companies to new security threats,
requiring them to establish adequate security and privacy measures. Additionally, the …

Abstract Personal Identification Numbers (PINs), required to authenticate on a multitude of
devices, are ubiquitous nowadays. To increase the security and safety of their assets, users …