If you wish to update current credit or debit card on file with Stripe, please login to Billing Control Panel then navigate on the top menu "Billing > Edit Payment Method". Payment method must be set to "Credit or Debit Card". Please click on "Update Credit Card" button. You'll be redirected to secured Stripe server where you can modify billing address and card data (card number, expiry date and security code).
NYhost.net doesn't store sensitive data (card numbers and security codes). Credit, debit or gift cards are being stored securely on Stripe servers.