Mastercard^® SecureCode^®

Mastercard SecureCode^® is a Mastercard service currently available to BMO Harris Debit cardholders that provides enhanced security when making online purchases.

SecureCode leverages state-of-the-art technology that helps verify that your purchases are truly yours. In the event of uncertainty, you may be asked to further authenticate your identity via one-time passcode. It's safe, easy and free. And it's supported by more than 1 million online merchants — just look for the SecureCode logo at checkout.

Mastercard SecureCode adds an additional layer of protection for your purchases at participating online merchants. The enhanced security component will automatically apply to online transactions at participating merchants – no action is required.

If you are asked to further authenticate your identity via a one-time passcode, simply select your preferred contact method. When the passcode is received, enter it on the site and continue to finalize your purchase.