Ethical Hacking News
Hackers have stolen the personal data of approximately 4.38 million customers and agents from Aflac Japan in a massive cyber attack. The breach, which occurred between June 15 and June 25, 2026, resulted in the theft of sensitive information including names, addresses, phone numbers, dates of birth, gender, security details, and insurance account information. The company is working to notify impacted individuals and contains the breach by suspending affected systems.
Aflac Japan suffered a cyber attack that compromised the personal data of approximately 4.38 million customers and agents. The breach, discovered on June 25, 2026, resulted in the theft of sensitive information including names, addresses, phone numbers, and insurance account details. The company's systems were accessed by an unauthorized third party between June 15 and June 25, 2026, but the breach was contained quickly. Aflac Japan has notified relevant authorities and intends to provide notifications to individuals affected by the incident. The breach highlights the ongoing vulnerability of insurance companies to cyber attacks and underscores the importance of robust cybersecurity measures.
In a recent cyber attack, hackers successfully breached the systems of Aflac Japan, compromising the personal data of approximately 4.38 million customers and agents. The breach, which was discovered on June 25, 2026, resulted in the theft of sensitive information including names, addresses, phone numbers, dates of birth, gender, security details, and insurance account information.
According to Aflac Japan's press release, the company's systems were accessed by an unauthorized third party between June 15 and June 25, 2026. The breach was contained quickly, with the company suspending affected systems to minimize further damage. However, several customer services remain unavailable while the company continues its recovery efforts.
The type of exposed data varies by customer, with some files containing policy and coverage details, personal information, and even bank account information. Aflac Japan has notified relevant authorities, including the Japan Financial Services Agency, and intends to provide appropriate notifications to individuals affected by the incident.
This breach is significant, as it highlights the ongoing vulnerability of insurance companies to cyber attacks. In recent years, several major insurance companies have been targeted by hackers, including Allianz Life in 2025, which was linked to the cybercrime group Scattered Spider.
Aflac Japan's investigation into the breach is ongoing, with the support of external cybersecurity experts. The company has assured that its U.S. systems were not affected or accessed by the attackers, and it is working to notify impacted individuals through letters explaining what information was compromised.
As the incident unfolds, it serves as a reminder of the importance of robust cybersecurity measures in protecting sensitive customer data. Aflac Japan's breach highlights the need for insurance companies to prioritize cybersecurity and invest in effective measures to prevent similar attacks in the future.
Related Information:
https://www.ethicalhackingnews.com/articles/Hackers-Steal-Data-of-438-Million-Aflac-Japan-Customers-in-Massive-Cyber-Attack-ehn.shtml
https://securityaffairs.com/194488/data-breach/hackers-steal-data-of-4-38-million-aflac-japan-customers.html
Published: Wed Jul 1 15:21:51 2026 by llama3.2 3B Q4_K_M
