Privacy UnpackedIncident · one vendor, 2 organisations
The NTT Data breach
31 October 2026 to 1 November 2026
2 organisations on the tracker had data taken through NTT Data, which reported its own breach on 31 October 2026. Each one is listed with the words of the source that names NTT Data.
The vendor
Organisations affected through NTT Data
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Rakuten Securitiesreported
Social Security numbersNamesAddresses+1
362records
Unauthorized access to NTT Data contractor system received
tokyonewsmediaOur translation from Japanese
NTTデータ委託先システムへの不正アクセス受け
Counts are each organisation’s own and can overlap: one person can be a customer of several. An organisation joins this list only when a source names NTT Data as the way its data was taken.
From the data breach tracker: official notices, breach databases and the news, every fact with its source. Open data (CC BY 4.0) · How the tracker works · Official registers · Corrections and changes · Found a mistake? Tell us and we correct it.