Research

On the Heterogeneous Behaviors of the Crypto-Asset Users

On the Heterogeneous Behaviors of the Crypto-Asset Users

Crypto-assets are unique in tying financial wealth to the secrecy of private keys. Prior empirical work has attempted to study end-user security from both technical and organizational perspectives. However, the link between individual’s risk perceptions and security behavior was often obscured by the heterogeneity of the subjects in small samples. This paper contributes quantitative results […]

Why Implicit Authentication is Hard to Understand

Why Implicit Authentication is Hard to Understand

Implicit authentication (IA) has recently become a popular approach for providing physical security on smartphones. It relies on behavioural traits (e.g., gait patterns) for user identification, instead of biometric data or knowledge of a PIN. However, it is not yet known whether users can understand the semantics of this technology well enough to use it […]

Three LERSSE Papers Accepted At CHI 2021

Three LERSSE Papers Accepted At CHI 2021

We are happy to announce that three research papers were accepted at CHI this year. Masoud Mehrabi Koushki led a mixed-methods study on implicit authentication (IA) on Android and investigated the reasons for which users struggle with IA. Artemij Voskobojnikov led two studies investigating the challenges of crypto-asset users. The first study investigated the UX […]