On Smartphone Users’ Difficulty with Understanding Implicit Authentication - Masoud Mehrabi Koushki et al - Masoud Mehrabi Koushki, Borke Obada-Obieh, Jun Ho Huh, Konstantin Beznosov. On Smartphone Users’ Difficulty with Understanding Implicit Authentication. Proceedings of the ACM CHI Conference on Human Factors in Computing Systems (ACM CHI'21), 2021.: - LERSSE-RefConfPaper-2021-003