Payment by credit card is made on the secure site Paypal or PayPlug
The payment is completely secure (SSL) thanks to the online payment system.
Your banking data is not circulating on the Internet in a totally unreadable way because they are encrypted.
Moreover, they do not are treated only by Paypal or PayPlug and are never in possession of cle-usb-fun.fr.
Indeed, when you type your card number to make your purchases on cle-usb-fun.fr c ' is Paypal or PayPlug that you transmit them and not to cle-usb-fun.fr.