Seems Mastercard is on my side, however.. Thank you for contacting Ask MasterCard. We are sorry to hear about your situation. As a MasterCard cardholder have peace of mind knowing that the financial institution that issued your MasterCard won't hold you responsible for "unauthorized transactions." Zero liability applies to your purchases made in the store, over the telephone, online, or via a mobile device and ATM transactions. As a cardholder, you will not be held responsible for unauthorized transactions.
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