Multifactor authentication or simply MFA solutions are designed to protect their users’ credentials. They add at least one more factor to the authentication process beyond a simple password. As credential theft has attracted more attention in the security industry, many MFA solutions have flooded the market. In truth, there’s a wide range of approaches to MFA, and some are much more secure than others.Here are the benefits and potential drawbacks of each type of authentication, and we can see the pros and cons.”]
Source: https://www.darkreading.com/authentication/not-all-multifactor-authentication-is-created-equal