In plain English
It is software used in a sign-in check. The app gives a temporary code or an approval so the system can confirm the user's identity.
In context
Here, "authenticator app" names the type of application to connect so it can provide a one-time code or approval for identity verification during authentication.
- Situation
- Setting passwords, multifactor authentication, recovery codes, and trusted devices
- What it communicates
- names the app type to connect during multifactor setup
Meaning limits
The term itself does not identify a specific product or determine any access decision after identity verification.
Examples
“When Maya signed in, her authenticator app displayed a new one-time code.”
“She connected an authenticator app to the account for the sign-in check.”