authentication

Misollar

You've successfully enabled two-factor authentication.
My banking app requires two factor authentication.
You are about to disable two-factor authentication.
Congratulations, you've successfully enabled two-factor authentication.
Enable two-factor authentication for enhanced account security.
Two-factor authentication is not enabled for your account.

ot noun

Something which validates or confirms the authenticity of something
Proof of the identity of a user logging on to some network
A hallmark or assay-mark on a piece of metalwork

Manbalar: Wiktionary (Free Dictionary API orqali), Datamuse, Tatoeba (CC BY 2.0 FR), MyMemory.