Dr. Li Yang's research focuses on applying AI and machine learning to cybersecurity, with a particular emphasis on intrusion detection and anomaly detection in 5G/6G networks and IoT systems. This involves the development of optimized and Automated ML (AutoML), concept drift adaptation, online learning, and continual learning techniques to enhance cybersecurity measures. Additionally, his work extends to the realms of trustworthy AI and AI security, specifically addressing adversarial machine learning attacks and defense strategies.