Bookoff, JR East each report 6 mil. customer records leak in newest breach

TOKYO - Japanese second-hand goods retailer Bookoff Group Holdings Ltd. and East Japan Railway Co. on Friday became the latest companies to announce a possible data breach, with each suspecting a leak of over 6 million records of customer information through unauthorized access to their servers.

Bookoff said information pertaining to up to 6.43 million accounts was exposed after its member data management system at one of its subsidiaries was accessed, while JR East said data for around 6.09 million accounts were exposed.