Elissa M. Redmiles, Everest Liu, and Michelle L. Mazurek, University of Maryland
Security messages that ask users to adopt new behaviors can be a crucial aspect of users' security decision-making. Prior work has focused extensively on how to design warning messages to discourage insecure practices. In this work, we instead examine how to design motivating security messages to encourage adoption, taking two-factor authentication (2FA) as a case study. To this end, we conduct an interview and participatory design study with 12 demographically diverse participants. Participants both critiqued existing 2FA messages and designed new ones. Drawing from the results of these interviews, we extract preliminary design options for authentication tool messages, which we plan to validate in future work.
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