A security process that requires users to verify their identity using two or more authentication factors: something they know (password), something they have (phone/token), or something they are (biometric).
Category: authentication. Part of the Identity Technologist Glossary — more than 200 practitioner-grade definitions covering identity verification, KYC/AML, biometrics, fraud prevention, and compliance. See all terms at https://identitytechnologist.com/glossary.