Multi-Factor Authentication (MFA) josedacruz, July 5, 2023 Multi-factor authentication (MFA) is a security method that requires users to provide more than one piece of evidence to verify their identity. it uses a combination of: something you know: password, pin, security question something you have; a physical device such as a smartphone, token, or smart card something you are; fingerprint, face recognition, voice, retina, a unique biometric feature the login will be with something you know and one of the other two. As a second factor, it is common to use: SMS, Email, authenticator apps, push notifications, device tokens, smart cards, and biometrics pros: improves security, avoids fraud, and increases the trust of users cons: technical challenge, user inconvenience, risk of losing the second factor (hardware device) MFA is advised for sensible accesses such as cloud admin accounts, sensitive information, etc. Related architecture architectureauthenticationmfa