COMEAU , D. .; TANG, Z. . .; MANAGO, S. M. .; HU, Y. . “All Your Files Have Been Encrypted!” ̶Ransomware Attack at Keystone Insurance. Journal of Applied Business and Economics, [S. l.], v. 23, n. 2, 2021. Disponível em: https://articlearchives.co/index.php/JABE/article/view/2192. Acesso em: 14 sep. 2025.