Online banking and its younger, upstart cousin, mobile banking, have become indispensable tools for today’s time-pressured customers. With fraud attacks on digital banking systems growing however – total fraud committed in Germany in 2013 alone amounted to more than €100 million – it is understandable that consumers are increasingly skeptical about their safety. As a result financial institutions are under substantial pressure to ensure the security of their systems by both regulators and their own customers.