Credit Card Services Internet Visa is a Theft Proof credit card for use exclusively for purchases on the Internet 1 No physical card is issued; it exists only as an account number, so it cannot be used or misused as a conventional card might be 2 Immediately after each use, an email notice is sent to the cardholder so that if the purchase has been made by an unauthorized party, the transaction can be voided before the goods are shipped or the services are furnished