SmartTrust: a hybrid deep learning framework for real-time threat detection in cloud environments using Zero-Trust Architecture. - Umesh Kumar Lilhore; Sarita Simaiya; Roobaea Alroobaea; Abdullah M. Baqasah; Majed Alsafyani; Afnan Alhazmi; M. D. Monish Khan (J. Cloud Comput., 2025)