Aflac.co.jp

Aflac Japan experienced a significant data breach involving a third party subcontractor. The incident resulted in the unauthorized exposure of personal information belonging to approximately 3.2 million policyholders. The leaked data primarily included sensitive customer identifiers and insurance policy details. This security failure occurred due to a vulnerability in the servers of an external service provider used by the company for marketing and administrative operations. The breach was discovered after the data was found being offered for sale on dark web forums by cybercriminals.