Compliance

Visa Inc., which operates the world's biggest electronic-payments network, was sued by Wal-Mart Stores Inc.'s Asda unit, William Morrison Supermarkets Plc and Arcadia Group Plc over payment-processing fees.

Payroll card provider ADP is updating its technology to provide greater visibility into users' financial health at a time when payroll cards face fresh scrutiny over costs to users.

Four Russians and a Ukrainian were charged in what prosecutors called the largest hacking and data breach scheme in U.S. history.

MasterCard Inc., in a conference call today to discuss the European Commission's proposal to cut card fees paid by retailers, says it supports increasing competition but warns the proposed regulation could have unintended consequences.

In what its president says could be a "watershed event" in the debate over EMV debit transactions, the Secure Remote Payment Council has softened its stance to welcome Visa and MasterCard applications on EMV-chip cards.

To combat the billions of dollars consumers lose in “gray charges,” or charges they are misled into paying, BillGuard has released an iOS mobile app.

The U.S. should follow the model that worked for the U.K. in its "seamless, coordinated" transition to the EMV-chip card standard seven years ago, Auriemma Consulting Group states in a new report.

Groupon has modified its Breadcrumb POS mobile payments app to allow it to handle payments even when the wireless signal cuts out. It was no easy feat.

Citi Bike, a New York bike-rental initiative sponsored by Citigroup, disclosed a breach of payment card data.

Banks face caps on the card fees they can collect on Visa Europe Ltd. and MasterCard Inc. transactions as the European Union seeks to slash charges imposed on retailers by 6 billion euros ($8 billion) a year.