Machine Learning Meets EEG: A Novel Approach to PGA-Based Authentication Systems. - Ioannis Katoikos; Christos A. Fidas; Dimitrios Koukopoulos (ICMLA, 2024)

Enhancing Graphical Authentication with EEG: A Study on Neural Responses and AI-Driven Security. - Ioannis Katoikos; Christos A. Fidas; Dimitrios Koukopoulos (EuroSec, 2025)