Karaoke Giant Reveals Data Breach Impacting Eight Million
Daiichi Kosho says supplier malware may have exposed data on about 8.7 million customers.
Japanese karaoke operator Daiichi Kosho said personal data processed by supplier Nippon Columbia Group may have leaked after malware was found on an employee PC between 1 and 2 October 2026. About 8,724,000 people who registered or reserved at its stores may have had names, gender, dates of birth, email addresses, and telephone numbers exposed. Big Echo accounts for roughly 5.6 million records and DK Dining about 3.5 million. NCG isolated the device, reset passwords, and is still investigating; Daiichi Kosho warned customers about phishing.
- Malware was found on a supplier employee PC on 2 October 2026.
- About 8.72 million customer records may have been exposed.
- Exposed fields include names, birth dates, emails, and phone numbers.
- Big Echo and DK Dining account for most of the affected customers.
- Daiichi Kosho warned customers to watch for follow-on phishing.
- Organizations
- Daiichi KoshoNippon Columbia Group
- Countries
- Japan
From the original article
2 min read at infosecurity-magazine.com
Daiichi Kosho says a supply chain breach has exposed personal data on over eight million karaoke customers
By Phil Muncaster · infosecurity-magazine.com
A short excerpt; the article and its images belong to the publisher. Summary, key facts and assessment above are AI-written from the article and can be wrong.