Efficient security level in wireless sensor networks (WSNs) using four-factors authentication over the Internet of Things (IoT) - Albandari Alsumayt; Majid Alshammari; Zeyad M. Alfawaer; Fahd N. Al-Wesabi; Nahla El-Haggar; Sumayh S. Aljameel; Sarah Albassam; Shahad AlGhareeb; Nouf Mohammed Alghamdi; Nawir Aldossary (PeerJ Comput. Sci., 2024)