Google Authenticator serves as a secondary authenticator, generating a time-based one-time password (TOTP) to verify the user's identity before granting access to applications. Google Authenticator operates without the internet as it generates TOTPs locally on the user's device, utilizing the device's internal clock and the secret key. The TOTP codes are time-sensitive and change every 30 seconds.
Once Google Authenticator verification is enabled, users can enter a six-digit security code generated by the Google Authenticator app to prove their identities.
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