TU Berlin

Quality and Usability LabLydia Kraus

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Lydia Kraus


Research Field

  • User experience of security and privacy technologies on smartphones
  • Experience-based approaches for designing security and privacy mechanisms on smartphones
  • Impact of salient privacy information on user decision making behavior
  • User behavior modeling


Lydia studied Electrical engineering and Information Technology with a major in Communications engineering at Technical University of Munich (TUM) and received her Dipl.-Ing. (M.Sc. equivalent) at the end of 2009. After her graduation she joined the Mihailo Pupin Institute in Belgrade/Serbia as a scientific researcher in the area of information systems for emergency management and evacuation. Since the beginning of 2013 she is employed at the Quality and Usability Lab at TU Berlin where she is working towards a PhD in the field of usable and experience-based security and privacy on smartphones. Lydia appreciates working in interdisciplinary environments. She often uses approaches from disciplines such as user experience and positive psychology to investigate how users handle security and privacy on their smartphones and how future technologies that are based on such approaches could look like.



Achieving the trust paradigm shift (ATTPS)




  • Seminar "Biometric Identification and Verification" (WS 13/14, WS 14/15, WS 15/16)
  • Study project: Security and Privacy on Smartphones from a user perspective/ Sicherheit und Privatsphäre auf Smartphones aus Nutzersicht (WS 14/15)
  • Study project: Security and Psychological Needs during Smartphone Usage/ Sicherheit und psychologische Bedürfnisse bei der Smartphone-Nutzung (SoSe 15)


Supervised theses:

  • Nutzerfreundliche Visualisierung für Android App-Berechtigungen (BA)
  • Untersuchung eines grafischen Authentifizierungsverfahrens hinsichtlich hedonischer Qualität (BA)


Quality and Usability Lab
Deutsche Telekom Laboratories
TU Berlin
Ernst-Reuter-Platz 7
D-10587 Berlin, Germany


+49 30 8353 54220

Scientific Services

Conference and Workshop Reviews

  • Program committee member of Collaborative Technology for Coordinating Crisis Management (CT2CM) Track of WETICE (IEEE International Conference Collaboration Technologies and Infrastructures) 2012 and 2013
  • Reviewer for SOUPS 2013

Journal Reviews

  • Reviewer for WETICE journals 2012
  • Reviewer for Behavior and Information Technology
  • Reviewer for Information Technology/ Special Issue "Usable Security and Privacy"

Workshop Organization


Psychological Needs as Motivators for Security and Privacy Actions on Smartphones

Kraus, Lydia and Wechsung, Ina and Möller, Sebastian

Journal of Information Security and Applications. Elsevier, 34–45. 2017

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Using Statistical Information to Communicate Android Permission Risks to Users

Kraus, Lydia and Wechsung, Ina and Möller, Sebastian

Proceedings of the 4th Workshop on Socio-Technical Aspects in Security and Trust (STAST). IEEE. 2014

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Different Approaches to ICT-enhanced Emergency Management

Kraus, Lydia and Janev, V. and Vranes, S.

Proceedings of the 56th conference for Electronics, Telecommunications, Computers, Automation and Nuclear Engineering – ETRAN. ETRAN 2012 Proceedings, VI2.7–1–4. 2012

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Dynamic Workflows For Airport Emergency Management Training

Janev, V. and Mijovic, V. and Tomasevic, N. and Kraus, Lydia and Vranes, S.

2nd International DEXA Workshop on Information Systems for Situation Awareness and Situation Management. IEEE DEXA 2012 Proceeedings, 5–9. 2012

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User Experience Measurement of a Static Website Compared to a Responsive Website Using AttrakDiff Mini

Fiebig, Alexander and Halbrügge, Marc and Kraus, Lydia

PQS 2016 5th ISCA/DEGA Workshop on Perceptual Quality of Systems, 83–86. 2016

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Beyond Usable: Experience-based Security & Privacy

Bajic, Alexander and Kraus, Lydia and Möller, Sebastian and Poikela, Maija and Wechsung, Ina

Keynote at Usable Security and Privacy Workshop at “Mensch und Computer” Conference 2015

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