HACKERS gained unauthorized access to Aflac Japan's systems from June 15 to June 25, 2026, leading to the theft of personal information from 4.38 million customers and agents. The disclosed data includes names, addresses, phone numbers, dates of birth, gender, security details, and insurance account information, varying by customer. Aflac Japan contained the breach quickly, suspending affected systems, and confirmed that U.S. operations were unaffected.
They are investigating the incident with third-party cybersecurity experts, have notified relevant authorities, and will inform affected individuals by letter. The full impact of the breach is still being assessed.