We continue our series of articles focused on testing systems that incorporate Multi-Factor Authentication (MFA or 2FA) security mechanisms. In our previous article about MFA testing, we explored why companies operating in regulated industries must adopt these mechanisms to strengthen their security. Although there is a wide range of MFA solutions available, most companies favor those that provide a smooth and simple user experience, such as MFA via SMS, email, or TOTP. In this article, we wi...