JA Kyosai security incident history
Hacking, data breaches and other security incidents involving JA Kyosai, with related coverage.
JA Kyosai reports October contractor breach may affect up to 2.85 million people
2.9mImpact: Personal information relating to up to approximately 2.85 million people is estimated to have leaked (a provisional total including duplicates), potentially including some users' bank account information.
On 12 November, JA Kyosai announced further investigation findings concerning the incident at its roadside assistance contractor PCS, where unauthorised access was detected on 29 October 2026. The leaked information is estimated to relate to up to approximately 2.85 million people, although this provisional total includes duplicate entries for policyholders and people requesting services and may fall following a detailed investigation. Potentially leaked data includes names, addresses, telephone numbers, vehicle and service request information, and bank account information for some users; the extent of the leak for each user remains under investigation.
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