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Einladung zum Vortrag


02. Juni 2016, 14.00 Uhr c.t.
Universität Bremen | Cartesium | Rotunde




Jun.Prof. Dr.Ing. Delphine Reinhardt
Universität Bonn| Institut für Informatik 4


A Method to Bridge the Existing Gap between Usability and
Access Control

Access control is a key principle to protect user privacy online. The combination of both the wealth of usergenerated data
in online social networks and overly complex user interfaces lead to a high user burden for privacy control, hence making
the observance of the above principles difficult. We investigate how communication metadata on smartphones can
facilitate providing tailored suggestions for restricted audience groups, thus limiting the sharing of data to the intended
users only. To this end, we have performed a user study collecting a dataset including contact names, calls, SMS, MMS, and
email on personal smartphones in everyday use. We further perform an explorative questionnairebased study with 42
participants. Our results confirm that users are overtaxed with existing schemes. We identify the expectations and
preferences of users, thus facilitating the design of improved solutions.

Biografie
Delphine Reinhardt (née Christin) is assistant professor for Privacy and Security in Ubiquitous Computing at the
University of Bonn, Germany. She is also associated to the Fraunhofer Institute for Communication,
Information Processing and Ergonomics (FKIE) since 2014. She completed her doctoral degree in computer
science with distinction on privacy in participatory sensing in 2013 at Technische Universität Darmstadt,
Germany. Her doctoral thesis received awards by the Communication and Distributed Systems Group (KuVS) of
the German Informatics Society (GI) and Information Technology Society of the Association for Electrical,
Electronic & Information Technologies (VDEITG) as well as the "Vereinigung von Freunden der Technische
Universität zu Darmstadt e.V." for outstanding academic achievements. Since 2009, she holds a doubledegree
in electrical engineering from TU Darmstadt and Ecole Nationale Supérieure de l'Electronique et ses
Applications (ENSEA), France. Her research interests include privacy, anonymity and pseudonymity, trust and
reputation, and usability in ubiquitous computing and beyond.

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A Method to Bridge the Existing Gap between Usability and Access Control
A Method to Bridge the Existing Gap between Usability and Access Control


 



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