Yasmeen Abdrabou, Sheikh Radiah Rivu, Tarek Ammar, Jonathan Liebers, Alia Saad, Carina Liebers, Uwe Gruenefeld, Pascal Knierim, Mohamed Khamis, Ville Makela, Stefan Schneegass, and Florian Alt. 2022. Understanding Shoulder Surfer Behavior and Attack Patterns Using Virtual Reality. In Proceedings of the 2022 International Conference on Advanced Visual Interfaces (AVI 2022). Association for Computing Machinery, New York, NY, USA, Article 15, 1–9. https://doi.org/10.1145/3531073.3531106

Jonathan Liebers, Mark Abdelaziz, Lukas Mecke, Alia Saad, Jonas Auda, Uwe Gruenefeld, Florian Alt, and Stefan Schneegass. 2021. Understanding User Identification in Virtual Reality Through Behavioral Biometrics and the Effect of Body Normalization. In Proceedings of the 2021 CHI Conference on Human Factors in Computing Systems (CHI '21). Association for Computing Machinery, New York, NY, USA, Article 517, 1–11. https://doi.org/10.1145/3411764.3445528

Alia Saad, Jonathan Liebers, Uwe Gruenefeld, Florian Alt, and Stefan Schneegass. 2021. Understanding Bystanders’ Tendency to Shoulder Surf Smartphones Using 360-degree Videos in Virtual Reality. In Proceedings of the 23rd International Conference on Mobile Human-Computer Interaction (MobileHCI '21). Association for Computing Machinery, New York, NY, USA, Article 35, 1–8. https://doi.org/10.1145/3447526.3472058

Jonathan Liebers, Patrick Horn, Christian Burschik, Uwe Gruenefeld, and Stefan Schneegass. 2021. Using Gaze Behavior and Head Orientation for Implicit Identification in Virtual Reality. In Proceedings of the 27th ACM Symposium on Virtual Reality Software and Technology (VRST '21). Association for Computing Machinery, New York, NY, USA, Article 22, 1–9. https://doi.org/10.1145/3489849.3489880

Mihai Bâce, Alia Saad, Mohamed Khamis, Stefan Schneegass, and Andreas Bulling. 2022. PrivacyScout: Assessing Vulnerability to Shoulder Surfing on Mobile Devices. Proceedings on Privacy Enhancing Technologies, 1, 21.

Sarah Faltaous, Jonathan Liebers, Yomna Abdelrahman, Florian Alt, and Stefan Schneegass. 2019. VPID: Towards Vein Pattern Identification Using Thermal Imaging. i-com, 18(3), 259-270. https://doi.org/10.1515/icom-2019-0009

Yomna Abdelrahman, Mohamed Khamis, Stefan Schneegass, and Florian Alt. 2017. Stay Cool! Understanding Thermal Attacks on Mobile-based User Authentication. In Proceedings of the 2017 CHI Conference on Human Factors in Computing Systems (CHI '17). Association for Computing Machinery, New York, NY, USA, 3751–3763. https://doi.org/10.1145/3025453.3025461

Stefan Schneegass, Youssef Oualil, and Andreas Bulling. 2016. SkullConduct: Biometric User Identification on Eyewear Computers Using Bone Conduction Through the Skull. In Proceedings of the 2016 CHI Conference on Human Factors in Computing Systems (CHI '16). Association for Computing Machinery, New York, NY, USA, 1379–1384. https://doi.org/10.1145/2858036.2858152