A common strategy fraudsters may use is to pose as a known company that you may use, and advise that you have overpaid a payment in the past and that you are owed a refund. The fraudsters would then try to get you to use your card reader to process the refund.
Follow these simple tips to help protect yourself from scams:
Tick Only ever pay money to people or companies you know and trust
Cross The Bank will never call to ask you to make a payment or use your card-reader