Some "real" payment terminals are also suspectible to customer misuse. There have been many cases of customers issuing "refunds" of thousands of euros to themse

Some "real" payment terminals are also suspectible to customer misuse. There have been many cases of customers issuing "refunds" of thousands of euros to themselves when they were supposed to be inputting their PIN - easier if the terminal is out of sight of the seller - e.g. in a car at a drive-in: (all in Finnish) https://yle.fi/uutiset/3-9966606 https://yle.fi/uutiset/3-9966606 https://www.is.fi/tampereen-seutu/art-2000006461066.html https://www.is.fi/tampereen-seutu/art-2000006461066.html https://mikkeli.datagroup.fi/fi/asiakkaille/blogi/haikailematon-petos-yleistyy-valvo-maksupaatteen-kayttoa https://mikkeli.datagroup.fi/fi/asiakkaille/blogi/haikailema... https://www.is.fi/digitoday/tietoturva/art-2000005178637.html https://www.is.fi/digitoday/tietoturva/art-2000005178637.htm...