Over 8.7 million karaoke fans at risk after major data breach — Japanese giant Nippon Columbia says malware infection was to blame for exposing records
Daiichi Kosho had outsourced the handling of its customers’ personal information to NCG.
In a major data breach, over 8.7 million Nippon Columbia fans may be at risk, according to Japanese entertainment giant Nippon Columbia Group. The malware infection, believed to have originated from a third-party contractor, exposed personal details of both customers and employees, though no payment data or confirmed misuse has been reported.
Daiichi Kosho, one of Japan's leading karaoke and entertainment companies, outsourced the management of customers' personal information to Nippon Columbia Group. The company discovered the malware infection on October 5 2026 and promptly isolated the affected systems. The compromised records contain full names, genders, dates of birth, email addresses, telephone numbers, as well as loyalty points and passwords.
While there is no evidence of the data being misused on the dark web, Daiichi Kosho has warned customers and employees to be cautious of unsolicited email messages. The company will continue to monitor the situation and take necessary measures, including inspecting other systems and reviewing its contractor management practices.
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