A method, program and system are provided for securing electronic transactions. A payment card processor server computer receives a payment authorization request message, the payment authorization request message being generated in response to an electronic payment transaction request made by a user, wherein the payment authorization request message includes first encrypted payment account information for a first payment device. The payment card processor server computer receives a first hardware device ID associated with a first hardware device that generated the payment authorization request message, wherein the first hardware device is associated with a user payment account for the user. The server computer determines that the first encrypted payment account information from the received payment authorization request message matches the first hardware device ID, and the purchase request is completed.