Yes, the information is transmitted safely with SSL encryption. Only Safe Electronic Commerce (SEC) transactions will be accepted for payments using Visa and Mastercard. After verifying that the card is secured under the SEC system, the system will contact the card's issuing bank so that the buyer can authorize the purchase. When the bank confirms authenticity, the card will be charged. Otherwise, the order will be cancelled. You can learn more about transaction security at the link here , under "Transaction Security".