Toyota Motor (TYO:7203) Toyota Motor (TYO:7203) is reviewing a potential data breach involving seconded staff from major non-life insurers after internal information was accessed without approval, Nikkei reported Thursday.
The employees were dispatched from Tokio Marine & Nichido Fire Insurance, part of Tokio Marine (TYO:8766), as well as Mitsui Sumitomo Insurance and Aioi Nissay Dowa Insurance, both under MS&AD Insurance Group (TYO:8725), according to the report.
The scope of the information has not been disclosed, though internal documents may be involved. The insurers are assessing how the access occurred and whether data protection or competition rules were breached, the report said.
The case follows earlier compliance issues tied to seconded personnel, including data leaks at financial institutions and regulatory action in 2025 citing gaps in oversight and compliance practices across the sector, according to the report.
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