Japanese secondhand retailer Bookoff reports potential leak of 6.43m records

( October 9, 2026, 01:26 GMT | Official Statement) -- MLex Summary: Major Japanese secondhand retailer Bookoff Group Holdings said Friday that unauthorized access to a subsidiary's membership management system had resulted in a leak of customer information, potentially affecting up to 6.43 million membership records, including names, addresses, email addresses and hashed passwords. The publicly listed company said payment information, including credit card details, was not compromised because the affected system did not store such information. It added that it had blocked the identified intrusion route and was taking steps to report the breach to Japan's Personal Information Protection Commission.Statement is attached....

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