How do I opt in to receive real-time fraud text alerts for my Alliant debit card? Last Modified Tuesday October 31, 2017 To opt in to receive real-time fraud text alerts for your Alliant Visa® Debit Card – or see if you’ve already opted in – log in to Alliant Online Banking, then follow these steps: Click on the Settings tab and select Personal Information. Select Manage Phone Numbers to access the Phone Number Management page. Confirm that the mobile phone number shown is correct. Select the Receive Text Messages checkbox.