Byung Mun Lee is a professor in the Department of Computer Engineering at Gachon University’s College of IT Convergence, a position he has held since March 1998. He completed his Ph.D. in Computer Engineering at the University of Incheon in Korea. He actively conducts research in the fields of artificial intelligence and security, exemplified by his work on AI-based sleep posture classification and deep learning models for password strength evaluation. Additionally, he has contributed to the integration of IoT and security systems by developing blockchain-based CCTV enclosure record management models and access code key verification service models. His interests also extend to user authentication models using EEG data and sleep care services, and he explores machine learning and deep learning technologies utilizing various sensor data.