Authenticator App
N/A
身份验证器应用
Authenticator App · N/A · 身份验证器应用 · aw-THEN-tih-kay-ter app · TOTP app · 2FA app · authenticator · Digital Security · mfa · apps · everydayDigital SecurityTOTP app 2FA app authenticator/aw-THEN-tih-kay-ter app/
Also known as: TOTP app, 2FA app, authenticator
Last updated August 9, 2026
Definition
An authenticator app generates time-based one-time passwords (TOTP) on your device — stronger than SMS for most two-factor setups.
Real-World Example
Opening an authenticator app to read a 6-digit code that refreshes every 30 seconds is how TOTP MFA works.
References
Related terms
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