Marian Harbach

schoolGooglebar_chart#4127 Global Rank

Total Papers

HCI Rank

#4127

Research Areas

Years Active

Recent Publications

Who am I Talking to? A Large-Scale Measurement of Surface Attribution Across Real-World Security and Privacy Interfaces

Modern user interfaces are complex composites, with elements originating from various sources, such as the operating system, apps, a web browser, or websites. We posit that security and privacy decisions can to some extent depend on users correctly identifying an element's source, a concept we term "surface attributio…

CHI '253rd AuthorBest PaperPasswords & Authentication +1

Permission Rationales in the Web Ecosystem: An Exploration of Rationale Text and Design Patterns

Modern web applications use features like camera and geolocation for personalized experiences, requiring user permission via browser prompts. To explain these requests, applications provide rationales—contextual information on why permissions are needed. Despite their importance, little is known about how often ration…

CHI '24CorrespondingPrivacy by Design & User Control +2

Websites Need Your Permission Too -- User Sentiment and Decision-Making on Web Permission Prompts in Desktop Chrome

The web utilizes permission prompts to moderate access to certain capabilities. We present the first investigation of user behavior and sentiment of this security and privacy measure on the web, using 28 days of telemetry data from more than 100M Chrome installations on desktop platforms and experience sampling respon…

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