If you suspect fraud, contact your acquirer first. They can advise you on possible measures.
To prevent fraud, we provide you with a comprehensive anti-fraud tool in the Web Administration Tool. This can be found in the "UPP Administration / Security" menu. A detailed description of the available options can be found in the user guide, chapter 6.5.
To determine the most appropriate anti-fraud measures for your online shop, we will be happy to advise you by e-mail at or by phone on +41 (0)44 256 81 91.