Sree Rajya Lakshmi Popury. “Balancing Usability and Security: A Zero-Touch Authentication Framework for Tiered Risk Actions”. The American Journal of Engineering and Technology 7, no. 09 (September 8, 2025): 08–14. Accessed September 29, 2025. https://www.theamericanjournals.com/index.php/tajet/article/view/6652.