Convenience chain 7-Eleven Japan has suspended a brand new mobile cashless payment service after an authorized third party accessed approximately 900 user accounts and made fraudulent charges totally 55 million yen, or roughly $500,000 dollars.

The service, 7pay, reportedly had only been launched three days earlier, and allows participating customers to automatically charge purchased goods to a credit or debit card whenever a 7-Eleven store cashier scans a barcode that appears on their mobile devices.

In a July 4 press release, 7-Eleven Japan parent company Seven & I Holdings Co., Ltd. and
Seven Pay Co. said they became aware of the security issue on July 2 following a customer complaint regarding an unapproved transaction.

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