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  • LERSSE Paper Gets Accepted at MobileHCI 2020

    LERSSE paper titled “Is Implicit Authentication on Smartphones Really Popular? On Android Users’ Perception of Smart Lock for Android” has been accepted for publication at the Twenty-Second International Conference on Human-Computer Interaction with Mobile Devices and Services (MobileHCI 2020). The paper will be presented at the virtual conference holding later in the year. Abstract of […] Read More

  • LERSSE Paper Gets Accepted at SOUPS 2020

    LERSSE paper titled “Towards Understanding Privacy and Trust in Online Reporting of Sexual Assault” has been accepted for publication at the Sixteenth Symposium on Usable Privacy and Security (SOUPS) 2020. The paper will be presented at the conference holding later in the year. Read More

  • LERSSE Paper Gets Accepted at CHI 2020

    LERSSE paper “The Burden of Ending Online Account Sharing” has been accepted at CHI 2020. The abstract of the paper reads: Many people share online accounts, even in situations where high privacy and security are expected. Naturally, the sharing of these accounts does not endure forever. This paper reports the privacy and security challenges that […] Read More

  • LERSSE Paper Receives a Honourable Mention at CHI 2020

    LERSSE paper “Amazon vs. My Brother: How Users of Shared Smart Speakers Perceive and Cope with Privacy Risks” (top 5% of submissions) has received an Honourable Mention award at CHI 2020. With the rapid adoption of smart speakers in people’s homes, there is a corresponding increase in users’ privacy and security concerns. In contrast to […] Read More

  • LERSSE Goes Snowshoeing on Cypress Mountain

    At LERSSE, we enjoy being active just as much as we do enjoy research. As a way to experience the snow and the mountains in 2020, LERSSE members and their significant others made the trip to Cypress Mountain for a snowshoeing trip.   Read More

How Cryptocurrency Users Survive the Cryptojungle

Cryptocurrency markets have grown substantially in recent years, and have attracted new users and investors, pushing the overall number of owners into the millions. At the same time, the number of distinct cryptocurrencies has exploded to over 5,000. In this burgeoning and chaotic “cryptojungle,” new and unexplored incentives and risks drive the behavior of users and non-users of cryptocurrencies. While previous research has focused almost exclusively on Bitcoin, other cryptocurrencies and utility tokens have been ignored.  Led by LERSSE PhD student Artemij Voskobojnikov, an interview study of cryptocurrency users and non-users focused on their perceptions and management of cryptocurrency risks as well as their reasons for or against involvement with cryptocurrencies.  

Continue reading “How Cryptocurrency Users Survive the Cryptojungle”

Household Users’ Security and Privacy Concerns about Shared Smart Speakers

With the rapid adoption of smart speakers in people’s homes, there is a corresponding increase in users’ privacy and security concerns. In contrast to previous studies of users’ concerns about smart speakers’ divulging private information to their manufacturers, we conducted a study to investigate users’ concerns with regard to housemates and external entities. To illustrate, we conducted semi-structured interviews with 26 participants living in 21 households.

Continue reading “Household Users’ Security and Privacy Concerns about Shared Smart Speakers”

Smartphone Users’ Family, Friends, and Other Enemies

The number of smartphone users worldwide was expected to surpass 2 billion in 2016. To protect personal and other sensitive information from unauthorized access, some smartphone users lock their phones. Yet, others don’t, risking the data and online services accessible through their devices. The risks emanate from both device thieves and those whobelong to the users’ social circles, so called social insiders. In 2014, 2.1 million Americans (under 2%) had phones stolen. Continue reading “Smartphone Users’ Family, Friends, and Other Enemies”

Predicting Smartphone Users’ Permission Decisions

Current smartphone operating systems regulate application permissions by prompting users on an ask-on-first-use basis. Prior research has shown that this method is ineffective because it fails to account for context: the circumstances under which an application first requests access to data may be vastly different than the circumstances under which it subsequently requests access. Continue reading “Predicting Smartphone Users’ Permission Decisions”

“I Don’t Use Apple Pay Because It’s Less Secure …”

This paper reports on why people use, not use, or have stopped using mobile tap-and-pay in stores. The results of our online survey with 349 Apple Pay and 511 Android Pay participants suggest that the top reason for using mobile tap-and-pay is usability. Surprisingly, for nonusers of Apple Pay, security was their biggest concern. Continue reading ““I Don’t Use Apple Pay Because It’s Less Secure …””

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RSS Recent Publications

  • Is Implicit Authentication on Smartphones Really Popular? On Android Users’ Perception of “Smart Lock for Android”
  • Towards Understanding Privacy and Trust in Online Reporting of Sexual Assault
  • Surviving the Cryptojungle: Perception and Management of Risk Among North American Cryptocurrency (Non)Users
  • The Burden of Ending Online Account Sharing
  • Amazon vs. My Brother: How Users of Shared Smart Speakers Perceive and Cope with Privacy Risks

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Laboratory for Education and Research in Secure Systems Engineering
Vancouver Campus
Room #4085, 2332 Main Mall
Vancouver, BC Canada V6T 1Z4
Website lersse.ece.ubc.ca
Email lersse-it@ece.ubc.ca
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