Daiichi Kosho, a major Japanese entertainment systems manufacturer, announced that a malware infection at its contractor Nippon Columbia exposed more than 8.7 million customer and employee records.
The company is the largest karaoke manufacturer in Japan 521 karaoke venues nationwide, including the Big Echo chain, one of the most popular karaoke box chains in the country.
Daiichi Kosho outsources the handling of its customers’ personal data to the Nippon Columbia Group (NCG), a Japanese entertainment group whose business areas include the production and distribution of music, video and gaming software as well as artist management.
The record company notified Daiichi Kosho on October 5 that it had discovered malware on an employee’s computer and isolated the affected system the following day.
Daiichi Kosho says it has not confirmed any data theft or leaks, but this is the case Advise customers Due to the potential risk, caution is advised.
The company says the disclosed data includes records of 93,000 employees and 8,631,000 customers, including:
- Full names
- Genders
- Birth dates
- Email addresses
- Telephone numbers
The entertainment giant says the incident could impact customers of BIG ECHO, MEGA BIG, Karaoke CLUB DAM, Banana Club, B-GARAGE and DK Dining.
The general recommendation is to be suspicious of unsolicited communications via email, SMS or phone calls requesting payments or sensitive personal or financial information.
The company says the data disclosed does not include passwords and there is no evidence of unauthorized use of loyalty points.
Daiichi Kosho said its own systems were not breached. NCG has reset passwords and other authentication data and is investigating the cause and extent of the incident and whether data was leaked online.
A Update on Friday does not provide any additional information about the possibility of a data leak
BleepingComputer was unable to find any public announcement from NCG regarding this security incident. We have contacted the company for further details and are awaiting comment.
