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smsGuardian - Debit Card Alert Service


smsGuardian™ Debit Card Service

Guard your Debit Card from fraud.

Add an extra layer of security against fraud to your debit card.  smsGuardian is a free tool for all Bank of Denver customers.  Receive and respond to text message alerts on your mobile device when your debit card is used for the following transactions:

International transactions Transactions greater than $500
Out of state transactions 8 or more transactions in 24 hours
Online transactions Declined authorizations
Fuel transactions  

If the charge is accurate, there is no need to do anything.  Simply ignore the alert.  If the charge is fraudulent, you can reply immediately with the code you received and your card will be blocked from further use.  Your funds will be safe and you will be contacted by one of our fraud representatives for further action.

Features and Benefits

  • Free for all customers*
  • Create a "do not disturb" window for alerts
  • All major phone carriers supported
  • Opt-out of receiving alerts at any time

Get Started

Enroll in this program by visiting today!  In just a few easy steps, you will verify your card information, set your "do not disturb" window and enter your mobile phone number (must be a 10-digit domestic number).  Then you are ready to begin receiving alerts. 

*Message and data rates may apply.