For more information about VPN, see /vpn.

Use of a VPN will protect your personal information by encrypting it over open networks. Make sure to use the USC VPN whenever you connect to USC systems via a public wireless connection, including hotel, convention center, and café wireless networks. Public wireless hotspots generally provide unsecure networks that could allow others to access your information.Requesting a new batch of passcodes will invalidate any unused codes from the previous batch. You may request additional batches of passcodes while in areas with cell service (your carrier’s roaming or international texting rates will apply).You will need to request the passcodes before you leave, or while in an area with cell service, as you will need a cell connection to receive the text message on your phone. You will receive ten single-use codes via text message, which will allow you to authenticate up to ten times during your travel.

From the Duo verification screen, press Send SMS passcodes.If you do not have the Duo Mobile App installed on a mobile device, you can request a batch of passcodes to be sent via text message to your cellphone before you depart for your travel. Enter the code provided in the Passcode field of the Duo verification screen.It may also simply contain an image of a key. Depending on your device, this button may say Generate Passcode or Generate Token Code. Simply open the app and tap the Passcode button.You can request single-use passcodes directly from the Duo Mobile app, even when your mobile device is in airplane mode or lacks cell service. NOTE: In order to take advantage of the options below, be sure to register your device(s) for use with your 2FA account (including, if applicable, downloading and installing the Duo Mobile App on your smartphone) before you begin your travel. Duo provides offline authentication options for times when you lack cell service or when using 2FA could cause you to incur extra cellphone charges, such as when you are traveling internationally.

Download duo app on laptop