Browsing Waterloo Research by Author "Chiasson, Sonia"
Now showing items 1-13 of 13
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The aftermath of a crypto-ransomware attack at a large academic institution
Zhang-Kennedy, Leah; Assal, Hala; Rocheleau, Jessica; Mohamed, Reham; Baig, Khadija; Chiasson, Sonia (USENIX, 2018-08)In 2016, a large North American university was subject to a significant crypto-ransomware attack and did not pay the ransom. We conducted a survey with 150 respondents and interviews with 30 affected students, staff, and ... -
Cyberheroes: An Interactive Ebook for Improving Children’s Online Privacy
Zhang-Kennedy, Leah; Chiasson, Sonia (Scienceopen, 2017-07)We designed, illustrated, and developed Cyberheroes, an educational interactive ebook that teaches children about online privacy. The ebook was evaluated with children and parents, and had positive effects on children’s ... -
Cyberheroes: The Design and Evaluation of an Interactive Ebook to Educate Children about Online Privacy
Zhang-Kennedy, Leah; Abdelaziz, Yomna; Chiasson, Sonia (Elsevier, 2017-07)We designed an educational interactive ebook called Cyberheroes and evaluated it to assess its effectiveness at increasing children’s online privacy knowledge and behaviour, and supporting child-parent privacy-related ... -
Engaging Children About Online Privacy Through Storytelling in an Interactive Comic
Zhang-Kennedy, Leah; Baig, Khadija; Chiasson, Sonia (Scienceopen, 2017-07)Children’s privacy is put at risk through online sharing of location-based information. We study the effectiveness of an educational interactive comic on improving 11- to 13-year-old children’s privacy knowledge and behaviour ... -
From Nosy Little Brothers to Stranger-Danger: Children and Parents’ Perception of Mobile Threats
Zhang-Kennedy, Leah; Mekhail, Christine; Abdelaziz, Yomna; Chiasson, Sonia (ACM, 2016-06-21)The rise in mobile media use by children has heightened parents' concerns for their online safety. Through semi-structured interviews of parent-child dyads, we explore the perceived privacy and security threats faced by ... -
Geo-Phisher: The Design and Evaluation of Information Visualizations about Internet Phishing Trends
Zhang-Kennedy, Leah; Fares, Elias; Chiasson, Sonia; Biddle, Robert (IEEE, 2016-06)We designed an information visualization about phishing trends and phishing prevention for the general public to examine the effects of interactivity on information finding, user perceptions and security behaviour intentions, ... -
Password Advice Shouldn't Be Boring: Visualizing Password Guessing Attacks
Zhang-Kennedy, Leah; Chiasson, Sonia; Biddle, Robert (IEEE, 2013-09)Users are susceptible to password guessing attacks when they create weak passwords. Despite an abundance of text-based password advice, it appears insufficient to help home users create strong memorable passwords. We propose ... -
Revisiting Password Rules: Facilitating Human Management of Passwords
Zhang-Kennedy, Leah; Chiasson, Sonia; van Oorschot, Paul (IEEE, 2016-06)Password rules were established in the context of past security concerns. Recent work in computer security challenges the conventional wisdom of expert password advice, such as change your passwords often, do not reuse ... -
The Role of Instructional Design in Persuasion: A Comics Approach for Improving Cybersecurity
Zhang-Kennedy, Leah; Chiasson, Sonia; Biddle, Robert (Taylor & Francis, 2016-03)Although computer security technologies are the first line of defence to secure users, their success is dependent on individuals’ behaviour. It is therefore necessary to persuade users to practice good computer security. ... -
Secure Comics: An Interactive Comic Series for Improving Cyber Security and Privacy
Zhang-Kennedy, Leah; Biddle, Robert; Chiasson, Sonia (Scienceopen, 2017-07)We designed, illustrated, and developed Secure Comics, an online educational interactive comic series about cyber security and privacy. The three-part comic was evaluated with adults and children, and had positive effects ... -
Stop clicking on “update later”: Persuading users they need up-to-date antivirus protection
Zhang-Kennedy, Leah; Chiasson, Sonia; Biddle, Robert (Springer, 2014-05)Online security advice aims to persuade users to behave se- curely, but appears to have limited effects at changing behaviour. We pro- pose security advice targeted at end-users should employ visual rhetoric to form an ... -
A Systematic Review of Multimedia Tools for Cybersecurity Awareness and Education
Zhang-Kennedy, Leah; Chiasson, Sonia (ACM, 2021-01-02)We conduct a comprehensive review covering academic publications and industry products relating to tools for cybersecurity awareness and education aimed at non-expert end-users developed in the past 20 years. Through our ... -
Teaching with an Interactive E-book to Improve Children's Online Privacy Knowledge
Zhang-Kennedy, Leah; Chiasson, Sonia (ACM, 2016-06-21)We designed the Cyberheroes interactive e-book and conducted a preliminary user study to test its effectiveness in educating children aged 7 to 9 about online privacy risks. Children and parents found the book to be fun ...