Communicating Shoulder Surfing Attacks to Users. - Alia Saad; Michael Chukwu; Stefan Schneegass (MUM, 2018)

Are They Actually Looking? Identifying Smartphones Shoulder Surfing Through Gaze Estimation. - Alia Saad; Dina Hisham Elkafrawy; Slim Abdennadher; Stefan Schneegass (ETRA Adjunct, 2020)

Understanding User Identification in Virtual Reality Through Behavioral Biometrics and the Effect of Body Normalization. - Jonathan Liebers; Mark Abdelaziz; Lukas Mecke; Alia Saad; Jonas Auda; Uwe Gruenefeld; Florian Alt; Stefan Schneegass (CHI, 2021)

Understanding Bystanders' Tendency to Shoulder Surf Smartphones Using 360-degree Videos in Virtual Reality. - Alia Saad; Jonathan Liebers; Uwe Gruenefeld; Florian Alt; Stefan Schneegass (MobileHCI, 2021)

Understanding Shoulder Surfer Behavior and Attack Patterns Using Virtual Reality. - Yasmeen Abdrabou; Sheikh Radiah Rivu; Tarek Ammar; Jonathan Liebers; Alia Saad; Carina Liebers; Uwe Gruenefeld; Pascal Knierim; Mohamed Khamis; Ville Mäkelä; Stefan Schneegass; Florian Alt (AVI, 2022)

Mask removal isn't always convenient in public! - The Impact of the Covid-19 Pandemic on Device Usage and User Authentication. - Alia Saad; Uwe Gruenefeld; Lukas Mecke; Marion Koelle; Florian Alt; Stefan Schneegass (CHI Extended Abstracts, 2022)

A Systematic Analysis of External Factors Affecting Gait Identification. - Alia Saad; Nick Wittig; Uwe Gruenefeld; Stefan Schneegass (IJCB, 2022)

Investigating the Challenges Facing Behavioral Biometrics in Everyday Life. - Alia Saad; Uwe Gruenefeld (MuC (Workshopband), 2022)

Understanding Shoulder Surfer Behavior Using Virtual Reality. - Yasmeen Abdrabou; Radiah Rivu; Tarek Ammar; Jonathan Liebers; Alia Saad; Carina Liebers; Uwe Gruenefeld; Pascal Knierim; Mohamed Khamis; Ville Mäkelä; Stefan Schneegass; Florian Alt (VR Workshops, 2022)

An Investigation of Shoulder Surfing Attacks on Touch-Based Unlock Events. - Stefan Schneegass; Alia Saad; Roman Heger; Sarah Delgado Rodriguez; Romina Poguntke; Florian Alt (Proc. ACM Hum. Comput. Interact., 2022)

PrivacyScout: Assessing Vulnerability to Shoulder Surfing on Mobile Devices. - Mihai Bâce; Alia Saad; Mohamed Khamis; Stefan Schneegass; Andreas Bulling (Proc. Priv. Enhancing Technol., 2022)

HotFoot: Foot-Based User Identification Using Thermal Imaging. - Alia Saad; Kian Izadi; Anam Ahmad Khan; Pascal Knierim; Stefan Schneegass; Florian Alt; Yomna Abdelrahman (CHI, 2023)

Hand-in-Hand: Investigating Mechanical Tracking for User Identification in Cobot Interaction. - Alia Saad; Max Pascher; Khaled Kassem; Roman Heger; Jonathan Liebers; Stefan Schneegass; Uwe Gruenefeld (MUM, 2023)

This Was (Not) Intended: How Intent Communication and Biometrics Can Enhance Social Interactions With Robots. - Khaled Kassem; Alia Saad (CoRR, 2023)

Hands-On Robotics: Enabling Communication Through Direct Gesture Control. - Max Pascher; Alia Saad; Jonathan Liebers; Roman Heger; Jens Gerken; Stefan Schneegass; Uwe Gruenefeld (HRI (Companion), 2024)

Push Me: Evaluating Usability and User Experience in Nudge-based Human-Robot Interaction through Embedded Force and Torque Sensors. - Khaled Kassem; Alia Saad; Max Pascher; Martin Schett; Florian Michahelles (MuC, 2024)

Do They Understand What They Are Using? - Assessing Perception and Usage of Biometrics. - Lukas Mecke; Alia Saad; Sarah Prange; Uwe Gruenefeld; Stefan Schneegass; Florian Alt (CoRR, 2024)

Predicting Personality Traits from Hand-Tracking and Typing Behavior in Extended Reality under the Presence and Absence of Haptic Feedback. - Jonathan Liebers; Felix Bernardi; Alia Saad; Lukas Mecke; Uwe Gruenefeld; Florian Alt; Stefan Schneegass (CHI Extended Abstracts, 2025)