Related sections
If your device is blocked or otherwise defective, you may be eligible for a free replacement. Here's how you can get a replacement device if yours breaks.
Read ArticleThe security of both your data and that of your customers is our top priority at SumUp. This is what we do to keep it safe.
Read ArticleHere’s how to accept high-value payments while reducing the risk of a chargeback or other complications.
Read ArticleIf you get a warning that your password is on a known list of common or leaked passwords, you may be at risk to hackers. Here’s what you need to know.
Read ArticleAt SumUp, we take data protection very seriously. Here's everything you need to know about how we handle your information and keep your data secure.
Read ArticleKeep your profile secure by setting up MFA so any login attempts from unknown devices require additional authentication.
Read ArticleWhat happens if your card reader goes missing? Here's how to report lost devices and ensure your data is protected and prevent fraudulent use.
Read ArticleYour security is of the utmost importance to us at SumUp. Here, we've collected information on everything you need to know about how we keep you secure.
Read ArticleThere are a variety of scenarios that could lead to a chargeback and each of them requires slightly different supporting evidence to contest. Here, we’ve compiled a list of common types of payment dispute and how to object them.
Read ArticlePrevent the loss of sensitive information by defending against phishing scams that seek to steal and expose your personal information. Here are a few tips on how to protect yourself against phishing.
Read ArticleChargebacks can be stressful. So to help out, here's a guide to payment disputes, including SumUp’s own chargeback procedure, from the first request to the final decision.
Read ArticleWe are obliged by our payments providers to check the legitimacy of the transactions. We might be required to collect additional information, such as an invoice (in PDF format), from you to verify the payment.
Read ArticleAs a regulated entity, we operate under strict requirements imposed by the financial regulator, the card schemes (Visa, Mastercard and American Express) and our acquiring banks, who act as a gateway to the card services.
Read ArticleThe best way to reduce the risk of payment disputes is to ensure customer satisfaction at all times, but you can also take additional steps to take payments securely.
Read ArticlePhishing is an online scam technique whereby scammers impersonate legitimate organisations or people in order to access sensitive information. The following tips will help you recognise and avoid phishing scams.
Read ArticleA chargeback is a request for money after a cardholder questions the validity of a transaction. Chargebacks may also be preceded by requests for information such as retrieval requests or fraud reports.
Read Article