OPEN SOURCE INTELLIGENCE AND TECHNIQUES FOR PASSIVE RECONNAISSANCE IN LINUX ENVIRONMENT. International Engineering Journal For Research & Development, [S. l.], v. 4, n. 5, p. 7, 2019. DOI: 10.17605/OSF.IO/UNDPT. Disponível em: http://www.iejrd.com/index.php/iejrd/article/view/322. Acesso em: 22 jun. 2026.