Cool UK gadget retailer, Firebox, has begun selling the SmartSwipe, a handy USB device which reads, encrypts and transmits your personal credit card data directly to the online payment page. Now, there’s a lot of insecurity about these days. We’re told hackers and crackers and spammers and other enemies of the people are all working hard to undermine our security and get their hands on our credit card details. SmartSwipe should help beat them at their game. Shoppers just need to swipe their card and click ‘confirm’ usung the onscreen purchase wizard. Your banking details are then encrypted,…