GoKawiilNippon Columbia malware incident exposes data on 8.7 million Daiichi Kosho karaoke customers
Daiichi Kosho, operator of Japan's Big Echo karaoke chain, said malware found on a contractor's computer at Nippon Columbia Group may have exposed records of 93,000 employees and 8.63 million customers. Exposed data includes names, genders, birth dates, emails and phone numbers, but not passwords, and no theft or leak has been confirmed. Customers of BIG ECHO, MEGA BIG, Karaoke CLUB DAM, Banana Club, B-GARAGE and DK Dining may be affected.