TUAN, G. A.; KHOA, N. V. Evaluating the Guessability of 6-Digit PINs under User Bias and Date-of-Birth Leakage . Journal of Science and Technology on Information security, [S. l.], v. 2, n. 28, p. 57-68, 2026. DOI: 10.54654/isj.v2i28.6411. Disponível em: https://isj.vn/index.php/journal_STIS/article/view/6411. Acesso em: 25 aug. 2026.