ANALYZING THE COVARIANCE MATRIX APPROACH FOR DDOS HTTP ATTACK DETECTION IN CLOUD ENVIRONMENTS. International Journal of Information Technology and Computer Engineering, [S. l.], v. 8, n. 1, p. 29–47, 2020. Disponível em: https://ijitce.org/index.php/ijitce/article/view/132. Acesso em: 15 oct. 2025.