Daiichikosho announced that malware infection had been confirmed at an outsourced service provider and that the personal information of up to 8.72 million customers may have been exposed. The potentially exposed information includes registered names, telephone numbers and email addresses.
Daiichikosho announced that the personal information of approximately 8.72 million customers may have been exposed following unauthorized access to a site operated by the Nippon Columbia Group, to which it outsources business operations. The information suspected of being exposed includes registered names, telephone numbers and email addresses. The incident is reportedly centered on customer information relating to the Big Echo karaoke chain.
Unauthorized access to the Nippon Columbia Group was confirmed to have occurred around the 1st or 2nd. The affected data is said to include information registered by karaoke members. The potentially exposed data comprises approximately 8.63 million records, most of which are customer information, along with approximately 90,000 employee records.
Daiichikosho says that, at present, it has not confirmed any actual external leakage or misuse of personal information. It will continue to monitor the situation and take necessary measures if signs of misuse emerge.