![]() ![]() After your account appears in your Authenticator app, you can use the one-time codes to sign in. ![]() Point your camera at the QR code or follow the instructions provided in your account settings. This blog post (link takes you to an external page) takes a more detailed look at the security concerns of SMS 2FA. After you install the Authenticator app, follow the steps below to add your account: Open the Authenticator app. Other channels Twilio Verify supports include push, voice, and email. Most customers end up implementing multiple forms of 2FA, so their users can choose the channel that works best for them. Many third-party aIPS are available for almost all mobile and desktop operating systems for the generation of TOTP tokens. IPS supports TOTP authentication by using the Google Authenticator algorithm for generation of shared secret key and token. TOTP has stronger proof of possession than SMS, which can be legitimately accessed via multiple devices and may be susceptible to SIM swap attacks. Google Authenticator is one of such implementations of TOTP algorithms. Increased security compared to SMS 2FA: the secret key input for TOTP is only shared once and the method does not rely on the telephony network, which helps reduce the attack surface.
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