Daiichi Life Group and Daiichi Life Insurance published the results of an investigation into unauthorized access to their human resources system detected in late September, stating that employee information, including information on former employees, may have been leaked for as many as 124,000 people. This was approximately 4,000 more people than stated in the announcement as of 2 October.
Daiichi Life Group and Daiichi Life Insurance said they detected unauthorized access to their human resources system on 24 September.
According to the published investigation results, employee information potentially affected totaled 124,000 people, including former employees, approximately 4,000 more than at the time of the 2 October announcement.
No unauthorized access to customer information was confirmed.
The article discusses in detail the nature and scope of the information potentially affected and the progress of the investigation, while also presenting information confirmed at this point alongside matters for which further updates are awaited.
Overall, the companies have disclosed the scope of the impact, centered on internal personnel data, with transparency in the handling of personal information and measures to prevent recurrence as key issues.