Gentile, V., Farzand, H., Bonaccorso, S., Rocchesso, D., Malizia, A., Khamis, M. and Sorce, S. (2023) User-Centered Evaluation of Different Configurations of a Touchless Gestural Interface for Interactive Displays. In: INTERACT 2023: 19th International Conference of Technical Committee 13 (Human- Computer Interaction) of IFIP, York, UK, 28 Aug - 01 Sep 2023, pp. 501-520. ISBN 9783031422799 (doi: 10.1007/978-3-031-42280-5_32)

Turne, M., Schmitz, M., Bierey, M. M., Khamis, M. and Marky, K. (2023) Tangible 2FA – An In-the-Wild Investigation of User-Defined Tangibles for Two-Factor Authentication. In: USENIX Symposium on Usable Privacy and Security (SOUPS) 2023, Anaheim, CA, USA, 6–8 Aug 2023, ISBN 9781939133366

Namnakani, O., Sinrattanavong, P., Abdrabou, Y., Bulling, A., Alt, F. and Khamis, M. (2023) GazeCast: Using Mobile Devices to Allow Gaze-based Interaction on Public Displays. In: ACM Symposium of Eye Tracking Research and Applications (ETRA 2023), Tübingen, Germany, 30 May - 02 Jun 2023, p. 92. ISBN 9798400701504 (doi: 10.1145/3588015.3589663)

Alotaibi, N., Williamson, J. and Khamis, M. (2023) ThermoSecure: investigating the effectiveness of AI-driven thermal attacks on commonly used computer keyboards. ACM Transactions on Privacy and Security, 26(2), 12. (doi: 10.1145/3563693)

Macdonald, S. A. , Farzand, H., Alotaibi, N. , Islam, M. S. and Khamis, M. (2023) Change Policy or Users? Mitigating the Security Risks of Thermal Attacks. In: 2023 CHI Conference on Human Factors in Computing Systems (CHI '23), Hamburg, Germany, 23-28 Apr 2023,

Elagroudy, P., Khamis, M. , Mathis, F., Irmscher, D., Sood, E., Bulling, A. and Schmidt, A. (2023) Impact of Privacy Protection Methods of Lifelogs on Remembered Memories. In: 2023 CHI Conference on Human Factors in Computing Systems (CHI '23), Hamburg, Germany, 23-28 Apr 2023, p. 508. ISBN 9781450394215 (doi: 10.1145/3544548.3581565)

Namnakani, O., Abdrabou, Y., Grizou, J. , Esteves, A. and Khamis, M. (2023) Comparing Dwell Time, Pursuits and Gaze Gestures for Gaze Interaction on Handheld Mobile Devices. In: 2023 CHI Conference on Human Factors in Computing Systems (CHI '23), Hamburg, Germany, 23-28 Apr 2023, p. 258. ISBN 9781450394215 (doi: 10.1145/3544548.3580871)

Macdonald, S. A. , Alotaibi, N. , Islam, M. S. and Khamis, M. (2023) Conducting and Mitigating Portable Thermal Imaging Attacks on User Authentication using AI-driven Methods. In: Augmented Humans 2023, Glasgow, UK, 12-14 Mar 2023, pp. 357-359. ISBN 9781450399845 (doi: 10.1145/3582700.3583698)

Marky, K., Macdonald, S. , Abdrabou, Y. and Khamis, M. (2023) In the Quest to Protect Users from Side-Channel Attacks – A User-Centred Design Space to Mitigate Thermal Attacks on Public Payment Terminals. In: 32nd USENIX Security Symposium, Anaheim, CA, California, 9-11 Aug 2023, pp. 5235-5252. ISBN 9781939133373

Kirkwood, D., Tombul, C., Firth, C., MacDonald, F., Priftis, K., Mathis, F., Khamis, M. and Marky, K. (2022) PIN Scrambler: Assessing the Impact of Randomised Layouts on the Usability and Security of PINs. In: 21st International Conference on Mobile and Ubiquitous Multimedia (MUM 2022), Lisbon, Portugal, 27-30 Nov 2022, pp. 83-88. ISBN 9781450398206 (doi: 10.1145/3568444.3568450)

Bekaert, P., Alotaibi, N. , Mathis, F., Gerber, N., Rafferty, A., Khamis, M. and Marky, K. (2022) Are Thermal Attacks a Realistic Threat? Investigating the Preconditions of Thermal Attacks in Users’ Daily Lives. In: NordiCHI '22: Nordic Human-Computer Interaction Conference, Aarhus, Denmark, 8-12 October 2022, p. 76. ISBN 9781450396998 (doi: 10.1145/3546155.3546706)

Farzand, H., Marky, K. and Khamis, M. (2022) Shoulder Surfing through the Social Lens: A Longitudinal Investigation & Insights from an Exploratory Diary Study. In: European Symposium on Usable Security (EuroUSEC 2022), Karlsruhe, Germany, 29-30 September 2022, pp. 85-97. ISBN 9781450397001 (doi: 10.1145/3549015.3554211)

Farzand, H., Marky, K. and Khamis, M. (2022) "I Hate When People Do This; There's a Lot of Sensitive Content for Me": A Typology of Perceived Privacy-Sensitive Content in Shoulder Surfing Scenarios. In: Eighteenth Symposium on Usable Privacy and Security (SOUPS 2022), Boston, MA, USA, 07-09 Aug 2022,

Khamis, M. , Marky, K., Bulling, A. and Alt, F. (2022) User-centred multimodal authentication: securing handheld mobile devices using gaze and touch input. Behaviour and Information Technology, 41(10), pp. 2061-2083. (doi: 10.1080/0144929X.2022.2069597)

Abdrabou, Y. et al. (2022) Understanding Shoulder Surfer Behavior and Attack Patterns Using Virtual Reality. In: 2022 International Conference on Advanced Visual Interfaces (AVI 2022), Frascati, Rome, Italy, 6-10 Jun 2022, p. 15. ISBN 9781450397193 (doi: 10.1145/3531073.3531106)

Khamis, M. , Farzand, H., Mumm, M. and Marky, K. (2022) DeepFakes for Privacy: Investigating Perceptions and Effectiveness of State-of-the-Art Privacy-Enhancing Face Obfuscation Methods. In: 2022 International Conference on Advanced Visual Interfaces (AVI 2022), Rome, Italy, 06-10 Jun 2022, p. 21. ISBN 9781450397193 (doi: 10.1145/3531073.3531125)

Mathis, F., O'Hagan, J., Vaniea, K. and Khamis, M. (2022) Stay Home! Conducting Remote Usability Evaluations of Novel Real-World Authentication Systems Using Virtual Reality. In: 2022 International Conference on Advanced Visual Interfaces (AVI 2022), Rome, Italy, 06-10 Jun 2022, p. 14. ISBN 9781450397193 (doi: 10.1145/3531073.3531087)

Abdelrahman, Y., Mathis, F., Knierim, P., Kettler, A., Alt, F. and Khamis, M. (2022) CueVR: Studying the Usability of Cue-based Authentication for Virtual Reality. In: 2022 International Conference on Advanced Visual Interfaces (AVI 2022), Rome, Italy, 06-10 Jun 2022, p. 34. ISBN 9781450397193 (doi: 10.1145/3531073.3531092)

Abdrabou, Y., Schütte, J., Shams, A., Pfeuffer, K., Buschek, D., Khamis, M. and Alt, F. (2022) "Your Eyes Tell You Have Used This Password Before": Identifying Password Reuse from Gaze and Keystroke Dynamics. In: 2022 CHI Conference on Human Factors in Computing Systems (CHI '22), New Orleans, LA, USA, 30 Apr - 05 May 2022, p. 400. ISBN 9781450391573 (doi: 10.1145/3491102.3517531)

Gruenefeld, U., Auda, J., Mathis, F., Schneegass, S., Khamis, M. , Gugenheimer, J. and Mayer, S. (2022) VRception: Rapid Prototyping of Cross-Reality Systems in Virtual Reality. In: 2022 ACM Conference on Human Factors in Computing Systems (CHI'22), New Orleans, LA, USA, 30 Apr - 05 May 2022, p. 611. ISBN 9781450391573 (doi: 10.1145/3491102.3501821)

Watson, K., Bretin, R. , Khamis, M. and Mathis, F. (2022) The Feet in Human-Centred Security: Investigating Foot-Based User Authentication for Public Displays. In: 2022 CHI Conference on Human Factors in Computing Systems (CHI '22), New Orleans, LA, USA, 30 Apr - 05 May 2022, p. 441. ISBN 9781450391566 (doi: 10.1145/3491101.3519838)

Alotaibi, N. , Islam, M. S., Marky, K. and Khamis, M. (2022) Advanced Techniques for Preventing Thermal Imaging Attacks. In: 27th International Conference on Intelligent User Interfaces (IUI '22), 21-25 Mar 2022, pp. 18-21. ISBN 9781450391450 (doi: 10.1145/3490100.3516472)

Mathis, F., O'Hagan, J., Khamis, M. and Vaniea, K. (2022) Virtual Reality Observations: Using Virtual Reality to Augment Lab-Based Shoulder Surfing Research. In: IEEE Conference on Virtual Reality and 3D User Interfaces (IEEE VR 2022), Christchurch, New Zealand, 12-16 March 2022, pp. 291-300. ISBN 9781665496179 (doi: 10.1109/VR51125.2022.00048)

Mathis, F., Vaniea, K. and Khamis, M. (2022) Can I Borrow Your ATM? Using Virtual Reality for (Simulated) In Situ Authentication Research. In: IEEE Conference on Virtual Reality and 3D User Interfaces (IEEE VR 2022), Christchurch, New Zealand, 12-16 March 2022, pp. 301-310. ISBN 9781665496179 (doi: 10.1109/VR51125.2022.00049)

Farzand, H., Mathis, F., Marky, K. and Khamis, M. (2022) Trust and Privacy Expectations during Perilous Times of Contact Tracing. In: Usable Security and Privacy (USEC) Symposium 2022, San Diego, California, United States, 24-28 April 2022, ISBN 9781891562792 (doi: 10.14722/usec.2022.23015)

Bâce, M., Saad, A., Khamis, M. , Schneegass, S. and Bulling, A. (2022) PrivacyScout: Assessing Vulnerability to Shoulder Surfing on Mobile Devices. In: Privacy Enhancing Technologies Symposium 2022 (PETS 2022), Sydney, Australia, 11-15 Jul 2022, pp. 650-669. (doi: 10.56553/popets-2022-0090)

Fernandez, M., Mathis, F. and Khamis, M. (2021) GazeWheels: recommendations for using wheel widgets for feedback during dwell-time gaze input. it - Information Technology, 63(3), pp. 145-156. (doi: 10.1515/itit-2020-0042)

Mathis, F., Vaniea, K. and Khamis, M. (2021) Observing Virtual Avatars: The Impact of Avatars’ Fidelity on Identifying Interactions. In: Mindtrek '21, 2-3 Jun 2021, pp. 154-164. ISBN 9781450385145 (doi: 10.1145/3464327.3464329)

Abdrabou, Y., Shams, A., Mantawey, M., Khan, A. A., Khamis, M. , Alt, F. and Abdelrahman, Y. (2021) GazeMeter: Exploring the Usage of Gaze Behaviour to Enhance Password Assessments. In: 2021 Symposium on Eye Tracking Research and Applications, 24-27 May 2021, p. 9. ISBN 9781450383448 (doi: 10.1145/3448017.3457384)

Bonner, J., O'Hagan, J., Mathis, F., Ferguson, J. and Khamis, M. (2021) Using Personal Data to Support Authentication: User Attitudes and Suitability. In: 20th International Conference on Mobile and Ubiquitous Multimedia (MUM 2021), Leuven, Belgium, 5-8 Dec 2021, pp. 35-42. ISBN 9781450386432 (doi: 10.1145/3490632.3490644)

Abdrabou, Y., Abdelrahman, Y., Khamis, M. and Alt, F. (2021) Think Harder! Investigating the Effect of Password Strength on Cognitive Load during Password Creation. In: 2021 ACM CHI Virtual Conference on Human Factors in Computing Systems, 08-13 May 2021, p. 259. ISBN 9781450380959 (doi: 10.1145/3411763.3451636)

Mathis, F., Vaniea, K. and Khamis, M. (2021) RepliCueAuth: Validating the Use of a lab-based Virtual Reality Setup for Evaluating Authentication Systems. In: 2021 ACM Conference on Human Factors in Computing Systems (CHI 2021), 8-13 May 2021, p. 534. ISBN 9781450380966 (doi: 10.1145/3411764.3445478)

Mathis, F., Williamson, J. H. , Vaniea, K. and Khamis, M. (2021) Fast and secure authentication in virtual reality using coordinated 3D manipulation and pointing. ACM Transactions on Computer-Human Interaction, 28(1), 6. (doi: 10.1145/3428121)

Abdrabou, Y., Hatem, R., Abdelrahman, Y., Elmougy, A. and Khamis, M. (2021) Passphrases Beat Thermal Attacks: Evaluating Text Input Characteristics Against Thermal Attacks on Laptops and Smartphones. In: 18th IFIP TC13 International Conference on Human-Computer Interaction (INTERACT 2021), Bari, Italy, 30 Aug - 03 Sep 2021, pp. 712-721. ISBN 9783030856090 (doi: 10.1007/978-3-030-85610-6_41)