BUTOI, F.-C. Study on Cyber-Attacks Based on E-mails. International Conference on Cybersecurity and Cybercrime, [S. l.], v. 1, p. 67–72, 2014. DOI: 10.19107/CYBERCON.2014.10. Disponível em: https://proceedings.cybercon.ro/index.php/ic3/article/view/2014-10. Acesso em: 16 feb. 2026.