If you have previously setup your MasterCard SecureCode, you will you have to set it up again as of September 9, 2015.
Master Card SecureCode protects you when you make internet purchases with your Shazam ChekCard. Participating internet retailers will ask for your MasterCard SecureCode when you make a purchase online. If you do not have one setup, the retailer will redirect you to a setup site like the one below. To set up your code up now, please use this link.