Railway operator East Japan Railway said IDC Frontier suffered a cyber attack, and the data of registered members of some of its services may have been leaked. The train reservation service Ekinet is suspected to have leaked approximately 1.67 million email addresses. Senior Travel Club leaked 390,000 pieces of information, including credit card expiration dates, birth dates, and email addresses. No other credit card data has been found to have been leaked.

Railway operator East Japan Railway said IDC Frontier suffered a cyber attack, and the data of registered members of some of its services may have been leaked. The train reservation service Ekinet is suspected to have leaked approximately 1.67 million email addresses. Senior Travel Club leaked 390,000 pieces of information, including credit card expiration dates, birth dates, and email addresses. No other credit card data has been found to have been leaked.