MUTHUKRISHNAN MANOHARAN. MULTI-FACTOR AUTHENTICATION AND PASSWORDLESS AUTHENTICATION: THE FUTURE OF SAAS SECURITY. INTERNATIONAL JOURNAL OF RESEARCH IN COMPUTER APPLICATIONS AND INFORMATION TECHNOLOGY (IJRCAIT), [S. l.], v. 8, n. 1, p. 509–547, 2025. Disponível em: https://ijrcait.com/index.php/home/article/view/IJRCAIT_08_01_042.. Acesso em: 17 jul. 2025.