Once you have successfully enrolled in 2FA, you are able to use any of the following authentication options.
2nd Factor |
Overview |
Duo Mobile App for Smartphone | Two Options for 2nd Factor:
Free download from device’s App Store for phone or tablet |
Hard Token (Yubikey) |
Available at Patriot Tech for $35 |
Bypass Codes |
Codes are free and one-time use only. Unused codes expire after 180 days. For instructions for generating and printing a list of codes, see How to Request a Bypass Code (Non-Emergency) |
Smartphone with Duo App
Option 1
Verified Push-Login attempt sends a message to your smartphone; push Approve button.
Option 2
One Time Passcode—Generate a single-use code; enter it into the 2FA login window. Note: passcodes generated through the Duo Mobile app do not require you have data or wireless internet connection on your device.
- Generating a Duo Mobile Passcode
- Using the Duo Mobile App Passcode (Web Applications)
- Using the Duo Mobile App Passcode (VPN)
Yubikey (USB device for generating codes)
Plug it into the USB slot; press the button when prompted; a code will be auto-populated in the 2FA login window.
- How to Set Up & Enroll a Yubikey
- Using the Yubikey with Web Applications
- Using the Yubikey with Cisco Secure Client VPN
Yubikeys are available for purchase at Patriot Tech and online retailers. All Yubikeys that support One-Time Password (OTP) authentication are compatible with Duo 2FA. A list of available Yubikeys is available on the Yubico website.

Bypass Codes
Generate a list of 10 one-time-use Bypass Codes (OTP) via the Patriot Pass Password Management site. If you need assistance related to 2FA, contact ITS Support.