Germany has been hit by a nationwide disruption to card payments, apparently due to a fault at an IT service provider, meaning shoppers across the country have been restricted to using cash to buy goods. Debit and credit cards have been affected since the early morning, and there have also been problems reported when trying to take cash out from cash machines. The use of German credit and debit cards outside the country has also been disrupted, according to the German Banking Industry Committee. A cyberattack can be ruled out based on current knowledge, said a spokesman for the industry associ…