Karaoke Giant Reveals Data Breach Impacting Eight Million

Daiichi Kosho disclosed that a supplier, Nippon Columbia Group, discovered a malware infection on an employee PC between October 1–2, 2026, and reported on October 5 that personal data for about 8,724,000 customers (names, genders, dates of birth, email addresses, and telephone numbers) may have been leaked; affected brands include Big Echo and DK Dining. NCG has isolated the device, reset passwords, and is investigating whether data was actually exfiltrated while Daiichi Kosho warns customers to watch for phishing and has opened a toll-free contact number.