Aioi Nissay Dowa Insurance: an employee seconded to Toyota Motor improperly provided Toyota internal information
On April 24 Aioi Nissay Dowa Insurance announced that an employee seconded to Toyota Motor had improperly provided internal information.
Disclosed
2026-04-24
Organizations involved
2
Leaked or at risk
Unknown
Downtime
Unknown
What happened
It announced cases, including suspected ones, in which an employee seconded to Toyota Motor improperly provided internal information. [1] [2]
Timeline
- Disclosed 2026-04-24
- 1 days
Attack or cause
- Method
- [Insider]
- Impact
- [Data leak]
- Entry point
- Unknown
Data exposed or at risk
–
Organizations involved
[Breached][Moderate]Tokyo, ShibuyaFinance and insurance
Aioi Nissay Dowa Insurance Co., Ltd.A seconded employee improperly provided internal information from the company they were seconded to.
[Breached][Moderate]Aichi, ToyotaManufacturing
Toyota Motor CorporationInternal information was improperly provided by an employee seconded from the insurer.
Sources
- [1][Official]弊社出向者による内部情報の不適切な提供につきましてAioi Nissay Dowa Insurance Co., Ltd. · 2026-04-24
- [2][News]あいおいニッセイ同和損害保険からの出向者がトヨタ自動車の内部情報を不適切に提供ScanNetSecurity · 2026-05-14 08:05