Nippon Columbia Malware Infection Puts 8.72 Million Daiichikosho Customer Records at Risk
Malware on Nippon Columbia PC potentially exposed 8.72 million Daiichikosho customer and employee records.
Japanese karaoke operator Daiichi Kosho disclosed on October 8, 2026 that malware found on a computer at outsourcing partner Nippon Columbia Group may have exposed about 8.72 million records: 8.63 million customer records and 93,000 employee records. The malware was discovered October 1-2 and the device isolated; no data theft or misuse has been confirmed. Affected customer data includes names, gender, birthdates, emails, and phone numbers, but not passwords. Daiichi Kosho's own systems were not breached.
- 8.72 million Daiichi Kosho records potentially exposed via malware at Nippon Columbia
- 8.63 million customer and 93,000 employee records stored on infected employee PC
- No confirmed exfiltration or misuse; investigation ongoing
- Daiichi Kosho's own systems were not breached
- Organizations
- Daiichi KoshoNippon Columbia Group
From the original article
2 min read at gbhackers.com
Japanese karaoke operator Daiichi Kosho has issued a warning about a malware infection at its outsourcing partner, Nippon Columbia Group (NCG), that may have exposed about 8. 72 million personal records. This potential data exposure includes both customer and employee information, not just customer records.
By Divya · gbhackers.com
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