Vulnerability & Blame: Making Sense of Unauthorized Access to Smartphones Diogo Marques, Tiago Guerreiro, Luís Carriço, Ivan Beschastnikh, Konstantin Beznosov ACM CHI 2019 - ACM Conference on Human Factors in Computing Systems, Glasgow, Scotland, May, 2019 [ pdf ] Non-Stranger Danger: Examining the Effectiveness of Smartphone Locks in Preventing Intrusions by Socially-Close Adversaries Diogo Marques, Tiago Guerreiro, Luís Carriço, Ivan Beschastnikh, Konstantin Beznosov WAY 2018 - Who are you? Adventures in Authentication Workshop at SOUPS, Baltimore, USA, August, 2018 [ pdf ]