What is Time-based One-Time Password (TOTP)?

A Time-based One-Time Password (TOTP) is a temporary code that changes every few seconds and is used to confirm a user’s identity. It is created using a secret key shared between the server and the user’s device, plus the current time. Users usually get TOTP codes from authenticator apps like Google Authenticator or LoginRadius Authenticator. Since the code is generated on the device and not sent over the internet, it’s much harder for attackers to steal. TOTP is a common method for adding extra security with Two-Factor Authentication (2FA).