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The “first factor” in security is your password. “Second factors” are an item in your possession and can be a mobile phone, landline phone, tablet, or hardware token, or security key.
Device | Authentication notification options | Platforms supported |
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Mobile Phones (Smartphones) | Duo Mobile push notification Duo Mobile passcode SMS text message | iOS Android |
Mobile Phones (Basic Cell Phones) | SMS text message | Mobile phones with SMS text messaging capability |
Mobile Phones / Landlines | Phone call | All |
Duo Mobile push notification Dub Mobile passcode | iOS Android | |
Passcode | Please visit Hardware Tokens for the 2FA Service | |
Popup on computer | Please visit Security Keys for the 2FA Service |
Available Authentication Methods
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Receive a push notification on your device. Tap Approve to authenticateEnter the number displayed from the login prompt on your device. Internet or cellular access is required to use this method.
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A text message with a seven-digit passcode is sent to your mobile phone. Standard message rates apply.
Available for mobile phones. Most international calling codes are supported.
Phone Call (Faculty/Staff only)
Receive an automated phone call. Press any key to authenticate.
Available for smartphones, mobile phones, and landlines. Most international calling codes are supported.
Hardware Token / Security Key
Hardware tokens are small devices that generate passcodes that to verify your identity in place of a phone. The device will rotate the displayed passcode every few minutes to provide you with a new valid code to use. The battery on this device is rated for a minimum of 2 years.
Security Keys plug into your computer and act as a physical “key” into your accounts.
Learn more: Hardware Tokens for the 2FA Service and Security Keys for the 2FA Service
Phone Call (Faculty/Staff only)
Receive an automated phone call. Press any key to authenticate.
Available for smartphones, mobile phones, and landlines
Info |
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For more information about 2FA and Duo, visit guide.duo.com. |
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