Expression of Concern: Smartphone Authentication Based on 3D Touch Sensor and Finger Locations on Touchscreens via Decision-Making Techniques. Mesopotamian Journal of CyberSecurity, [S. l.], v. 2026, n. 1, p. 4–4, 2026. DOI: 10.58496/2026/004. Disponível em: https://mesopotamian.press/journals/index.php/CyberSecurity/article/view/1028. Acesso em: 28 feb. 2026.