The use of QR codes is growing exponentially, at an estimated rate of 30% a year, with the average person scanning a QR code at least once a week. They can be found everywhere, for every purpose imaginable, scannable at the click of a button. But whenever there's wide scale adoption, the scammers aren't too far behind. In this insightful talk, we will delve into the history and science of the QR code itself and learn how scammers are targeting users on a global scale. Learn what we can do to tackle the problem that is costing millions a year; using the latest AI tools, crowd analytics and good 'old-fashioned' policing methods.