What is Two-factor Authentication?With DUO Security


How it Works

Once you've enrolled in Duo you're ready to go: You'll login as usual with your username and password, and then use your device to verify that it's you. Your administrator can set up the system to do this via SMS, voice call, one-time passcode, the Duo Mobile smartphone app, and so on.

how-it-works

No mobile phone? You can also use a landline or tablet, or ask your administrator for a hardware token. Duo lets you link multiple devices to your account, so you can use your mobile phone and a landline, a landline and a hardware token, two different mobile devices, etc.

Why Do I Need This?

passwords are increasingly easy to compromise. They can often be stolen, guessed, or hacked — you might not even know someone is accessing your account.

Two-factor authentication adds a second layer of security, keeping your account secure even if your password is compromised. With Duo, you'll be alerted right away (on your phone) if someone is trying to log in as you.

This second factor of authentication is separate and independent from your username and password — Duo never sees your password.

Referred to as two-step or two-factor authentication, this process, which uses Duo Security, asks individuals logging in to confirm their identity using a smartphone, via text, or via automated voice calls.

How Do I Set It Up?

Duo's self-enrollment process makes it easy to register your device and install the mobile app (if necessary). Learn more about enrollment

Two-factor authentication adds a second layer of security to your online accounts. Verifying your identity using a second factor (like your phone or other mobile device) prevents anyone but you from logging in, even if they know your password.

Help with Duo is available! Use the "Get Help" button below, call the UTMB Service Desk directly at 409-772-5200, or contact your local IT administrator.


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