MS&AD Insurance Group Holdings security incident history
Hacking, data breaches and other security incidents involving MS&AD Insurance Group Holdings, with related coverage.
Incidents: 1 · Most recent
About 1.011 million customer records exposed at MS&AD insurers
1mImpact: Approximately 1.011 million customer records
Unauthorised access to policyholder systems at insurers in Japan’s MS&AD group and to external contractors led to the exposure of customer information. Following disclosures by group companies on 6 November, Mitsui Sumitomo Insurance and Mitsui Direct General Insurance announced approximately 296,000 additional exposed records on 9 November, bringing the group’s cumulative total to about 1.011 million. The exposed information included names, addresses and telephone numbers, as well as the last four digits of card numbers and bank account information for some customers.
Related reports: 14 · last report →