Frequently Asked Questions: Duo
What is two-factor authentication?
Two-factor authentication, also referred to as multi-factor authentication, provides an additional layer of security when logging in to a website. Two-factor is becoming the standard in cybersecurity. Google, Apple, and other services all have their own two-factor authentication methods. In short, passwords are no longer sufficient in protecting our sensitive data; we’ve got to add another layer of security to our accounts.
What are my authentication options?
Duo offers several options for authentication. Read about your authentication options here.
What is the recommended two-factor authentication method?
If you have a smartphone or tablet, we recommend Duo Push, as it is quick, easy-to-use, and secure. See an example of Duo Push in action at https://duo.com/product/trusted-users/two-factor-authentication/authentication-methods/duo-push.
Is Duo mandatory?
All current UAH faculty and staff are required to use Duo when logging in to Single Sign-On authenticated services and on classroom podium computers. Beginning May-June 2023, students will also be required to use Duo.
Forgot your device?
If you do not have your device with you, you can obtain a bypass code from the OIT Help Desk.
*If you have lost your device, please report it to the OIT Helpdesk. We want to ensure someone else does not maliciously authenticate your account with your device.
Who can use Duo?
Duo is available to faculty, staff, and students.
Can I use Duo without using Wi-Fi or cellular data?
If you don't have access to Wi-Fi or cellular data, you still have several options for using Duo.
The Duo Mobile app can provide a six-digit passcode even if your phone or tablet doesn’t have cellular, network or Wi-Fi service. Launch the Duo Mobile App, and press the key icon to obtain a passcode. The Duo app only requires Wi-Fi or cellular connectivity for Push notifications.
Alternatively, you can request a temporary Bypass Code from the OIT Help Desk.
Please note that only online resources and desktop computers in classrooms will be Duo-protected, so it would be necessary to have Internet access in order to use those protected services.
What applications are using Duo?
All Single Sign-On based applications and classroom podium computers require Duo. This list will continue to grow over time.
What if I get a notification that someone is trying to access my account, but I didn't request it?
Select the red X to deny access to your account, then promptly change your Charger password.
What if I am traveling abroad?
You have several choices when traveling abroad. Be sure to test them out before your travels so you can determine which solution is best for you.
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If you have a smartphone/tablet, the Duo Mobile App can provide a six-digit passcode even if your phone or tablet doesn’t have cellular, network or Wi-Fi service. Launch the Duo Mobile App, and press the key icon to obtain a passcode.
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If you only have a basic cell phone, register your phone to receive SMS text notifications.
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If neither of the above options work, you can request a temporary Bypass Code from the OIT Help Desk.
Is the Duo smartphone app available for iOS (iPhone/iPad) and Android devices?
Yes! Visit the app store on your smartphone to download Duo Mobile.
Please note that Google Play Services are required to receive push notifications on Android. Users without Google Play Services installed will have to “fetch” by swiping down in the Duo Mobile app.
What if I get a new smartphone or device?
Still have the same phone number? You'll continue to be able to receive SMS passcodes and phone calls for verification. When signing in, click Other options to view all of your options for authentication.
Need to set up Duo Mobile on your new phone? Learn how at How to Set Up Duo Mobile.
Have a different phone number? As long as you still have some way to authenticate, you can follow the steps in How to Manage Your Devices in Duo to access the Device Management portal and update your number. If you don't have an alternate method of authentication, contact the OIT Help Desk.
Can I have Duo on more than one device?
Yes. You can add devices by visiting the Duo devices page. When you see the Duo prompt, click Other options toward the bottom of the prompt. Then, click Manage devices. After verifying your identity, click Add a New Device. You can register smart phones, cell phones, tablets and landline phones.
How can I manage the devices I use for Duo?
Log into myUAH or another SSO service. When you see the Duo prompt, click Other options toward the bottom of the prompt. Then, click Manage devices. After verifying your identity, you will be able to view and manage all of your devices.
Learn more about managing your devices in How to Manage Your Devices in Duo .
What can the Duo app access on my smartphone?
The Duo smartphone application serves only to provide two factor authentication. It does not access any personal information on your device, nor does it track your location.
Can Duo see my password?
No. Your password is only verified by your organization and never sent to Duo. Duo provides only the second factor, using your enrolled device to verify it’s actually you who is logging in.
How much data does a Duo Push request use?
Duo Push authentication requests require a minimal amount of data -- less than 2KB per authentication. For example, you would only consume 1 megabyte (MB) of data if you were to authenticate 500 times in a given month.
Why have I stopped receiving push notifications from Duo Mobile?
There are several reasons this could be happening. Please try the following to troubleshoot:
- Make sure your enrolled device has a cellular network or WiFi connection.
- Have the Duo Mobile app open when you authenticate.
- Try these additional push troubleshooting steps:
If the above solutions don’t work, try using another authentication method, such as passcodes provided in the Duo Mobile app.
Still Have Questions?
If you have additional questions about this topic, please contact the OIT Help Desk.