The use of two or more authentication methods to the login process, which brings an additional layer of security.
Other than a username and password, with multi-factor authentication logging in to a service will also require a piece of information that is provided exclusively to the user, such as a single-use code that’s sent directly to an email address or telephone.
Two-Factor Authentication (2FA) is the most commonly type of Multi-Factor Authentication seen in the industry.
Definition of "Multi-Factor Authentication" by Chat GPT: Multi-factor authentication (MFA) is a security measure that requires users to provide multiple forms of identification to access a system or service. This can include a combination of something the user knows (like a password or PIN), something the user has (like a hardware token or smartphone), or something the user is (like a fingerprint or facial recognition scan). MFA makes it more difficult for unauthorized users to gain access to sensitive information, even if they have obtained one factor of authentication.« Back to Glossary Index