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Maximiliane Windl, Verena Winterhalter, Albrecht Schmidt, Sven Mayer
Understanding and Mitigating Technology-Facilitated Privacy Violations in the Physical World
Proceedings of the 42nd ACM Conference on Human Factors in Computing Systems (CHI '23), Association for Computing Machinery, 2023-04-23 (bib)

We are constantly surrounded by technology that collects and processes sensitive data, paving the way for privacy violations. Yet, current research investigating technology-facilitated privacy violations in the physical world is scattered and focused on specific scenarios or investigates such violations purely from an expert's perspective. Informed through a large-scale online survey, we first construct a scenario taxonomy based on user-experienced privacy violations in the physical world through technology. We then validate our taxonomy and establish mitigation strategies using interviews and co-design sessions with privacy and security experts. In summary, this work contributes (1) a refined scenario taxonomy for technology-facilitated privacy violations in the physical world, (2) an understanding of how privacy violations manifest in the physical world, (3) a decision tree on how to inform users, and (4) a design space to create notices whenever adequate. With this, we contribute a conceptual framework to enable a privacy-preserving technology-connected world.