Japan's Ryohin Keikaku, operator of Muji, admits security lapses, reports to regulators
By Genta Nakanishi ( November 12, 2026, 07:55 GMT | Insight) -- Japanese retailer Ryohin Keikaku acknowledged shortcomings in the implementation of its information security and customer-data management policies at a Thursday press conference, saying it had reported a cyberattack affecting millions of customer records to Japan's privacy watchdog and the Ministry of Economy, Trade and Industry. The Muji operator pledged to strengthen internal governance as investigations into its handling of customer information continue.Japanese retailer Ryohin Keikaku acknowledged shortcomings in the implementation of its information security and customer-data management policies at a Thursday press conference, saying it had reported a cyberattack affecting millions of customer records to Japan's privacy watchdog and the Ministry of Economy, Trade and Industry, or METI....
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