Many businesses involved in the retail and supply sectors find the run up to the festive period can be the businest and potentially most profitable time of the year. But it can also be one of the most difficult times of year to keep a healthy cash flow as it's not only legitimate businesses that are gearing up for a bumper holiday period; fraudsters are also busily laying the foundations for a variety of Christmas cons that could leave many already struggling companies out in the cold come January.