| 2023 | Interact | Extending User Interaction with Mixed Reality Through a Smartphone-Based Controller. | Georgios Papadoulis, Christos Sintoris, Christos Fidas, Nikolaos M. Avouris |
| 2023 | Interact | Influences of Cognitive Styles on EEG-Based Activity: An Empirical Study on Visual Content Comprehension. | Maria Trigka, Georgios Papadoulis, Elias Dritsas, Christos Fidas |
| 2023 | Interact | Exploring the Potential of Metaverse Apps for Real-World Applications: A Case Study with CALEND_AR. | Konstantinos Tsomokos, Christos Sintoris, Christos Fidas, Nikolaos M. Avouris |
| 2021 | HCI | Eye Gaze and Interaction Differences of Holistic Versus Analytic Users in Image-Recognition Human Interaction Proof Schemes. | Pantelitsa Leonidou, Argyris Constantinides, Marios Belk, Christos Fidas, Andreas Pitsillides |
| 2021 | Interact | An Empirical Study of Picture Password Composition on Smartwatches. | Marios Belk, Christos Fidas, Eleni Katsi, Argyris Constantinides, Andreas Pitsillides |
| 2021 | Interact | Understanding Insider Attacks in Personalized Picture Password Schemes. | Argyris Constantinides, Marios Belk, Christos Fidas, Andreas Pitsillides |
| 2021 | Interact | A Field Dependence-Independence Perspective on Eye Gaze Behavior within Affective Activities. | Christos Fidas, Marios Belk, Christodoulos Constantinides, Argyris Constantinides, Andreas Pitsillides |
| 2020 | IUI | An eye gaze-driven metric for estimating the strength of graphical passwords based on image hotspots. | Argyris Constantinides, Marios Belk, Christos Fidas, Andreas Pitsillides |
| 2020 | IUI | CogniKit: An Extensible Tool for Human Cognitive Modeling based on Eye Gaze Analysis. | Andreas Costi, Marios Belk, Christos Fidas, Argyris Constantinides, Andreas Pitsillides |
| 2019 | CHI | FlexPass: Symbiosis of Seamless User Authentication Schemes in IoT. | Marios Belk, Christos Fidas, Andreas Pitsillides |
| 2019 | CHI | Picture Passwords in Mixed Reality: Implementation and Evaluation. | Georgios M. Hadjidemetriou, Marios Belk, Christos Fidas, Andreas Pitsillides |
| 2019 | Interact | Influences of Mixed Reality and Human Cognition on Picture Passwords: An Eye Tracking Study. | Christos Fidas, Marios Belk, Georgios M. Hadjidemetriou, Andreas Pitsillides |
| 2018 | AVI | Does image grid visualization affect password strength and creation time in graphical authentication? | Christina P. Katsini, George E. Raptis, Christos Fidas, Nikolaos M. Avouris |
| 2018 | AVI | Visualization of Cultural-Heritage Content based on Individual Cognitive Differences. | George E. Raptis, Christina P. Katsini, Christos Fidas, Nikolaos M. Avouris |
| 2018 | CHI | Influences of Human Cognition and Visual Behavior on Password Strength during Picture Password Composition. | Christina P. Katsini, Christos Fidas, George E. Raptis, Marios Belk, George Samaras, Nikolaos M. Avouris |
| 2018 | ETRA | Towards gaze-based quantification of the security of graphical authentication schemes. | Christina P. Katsini, George E. Raptis, Christos Fidas, Nikolaos M. Avouris |
| 2018 | IUI | Eye Gaze-driven Prediction of Cognitive Differences during Graphical Password Composition. | Christina P. Katsini, Christos Fidas, George E. Raptis, Marios Belk, George Samaras, Nikolaos M. Avouris |
| 2017 | CHI | Influences of Users' Cognitive Strategies on Graphical Password Composition. | Christina P. Katsini, Christos Fidas, Marios Belk, Nikolaos M. Avouris, George Samaras |
| 2017 | Interact | Effects of Human Cognitive Differences on Interaction and Visual Behavior in Graphical User Authentication. | Marios Belk, Christos Fidas, Christina P. Katsini, Nikolaos M. Avouris, George Samaras |
| 2017 | Interact | Effects of Image-Based Rendering and Reconstruction on Game Developers Efficiency, Game Performance, and Gaming Experience. | George E. Raptis, Christina P. Katsini, Christos Fidas, Nikolaos M. Avouris |
| 2015 | CHI | iHIP: Towards a User Centric Individual Human Interaction Proof Framework. | Christos Fidas, Heinrich Hussmann, Marios Belk, George Samaras |
| 2014 | HCI | On Supporting Security and Privacy-Preserving Interaction through Adaptive Usable Security. | Marios Belk, Christos Fidas, Panagiotis Germanakos, George Samaras |
| 2014 | HCI | SONETA: A Social Media Geo-Trends Analysis Tool. | Ioannis Ioannidis, Eleftherios Papachristos, Christos Katsanos, Nikolaos Karousos, Christos Fidas, Nikolaos M. Avouris |
| 2014 | HCI | Deployment, Usage and Impact of Social Media Tools in Small and Medium Enterprises: A Case Study. | Eleftherios Papachristos, Christos Katsanos, Nikolaos Karousos, Ioannis Ioannidis, Christos Fidas, Nikolaos M. Avouris |
| 2013 | HCI | Studying the Effect of Human Cognition on Text and Image Recognition CAPTCHA Mechanisms. | Marios Belk, Panagiotis Germanakos, Christos Fidas, George Spanoudis, George Samaras |
| 2013 | Interact | Security for Diversity: Studying the Effects of Verbal and Imagery Processes on User Authentication Mechanisms. | Marios Belk, Christos Fidas, Panagiotis Germanakos, George Samaras |
| 2013 | Interact | On Users' Preference on Localized vs. Latin-Based CAPTCHA Challenges. | Christos Fidas, Artemios G. Voyiatzis |
| 2012 | CHI | Do cognitive styles of users affect preference and performance related to CAPTCHA challenges? | Marios Belk, Christos Fidas, Panagiotis Germanakos, George Samaras |
| 2011 | CHI | On the necessity of user-friendly CAPTCHA. | Christos Fidas, Artemios G. Voyiatzis, Nikolaos M. Avouris |