Authentication where the second factor is delivered through a channel independent of the primary login — SMS, phone call, or push notification — reducing the impact of man-in-the-middle attacks.
Category: authentication. Part of the Identity Technologist Glossary — 158+ practitioner-grade definitions covering identity verification, KYC/AML, biometrics, fraud prevention, and compliance. See all terms at https://identitytechnologist.com/glossary.