Every public data breach

Disclosed this week47On record26,367

47 disclosed this week · 26,367 on record

NTT DATA Americas

Disclosed Aug 24, 2023308,072 affectedConfirmed

Official notice

What is known

People affected308,072 (as reported by the organization)
DisclosedAug 24, 2023
DiscoveredMay 31, 2023
HappenedMay 29, 2023
AttackHacking
Data exposedNot stated
SectorTech · US
StatusConfirmed

Sources

Official noticeoag.ca.gov
California Attorney General breach notice: NTT DATA Americas
Official noticeatg.wa.gov
Washington Attorney General breach notice: NTT DATA Americas
Official noticejustice.oregon.gov
Oregon DOJ breach notice: NTT DATA Americas
Official noticein.gov
Indiana Attorney General 2023 data breach report: NTT DATA Americas

Notices filed

Residents of CAAug 24, 2023
California AGCount not stated
Residents of WAAug 24, 2023
Washington AG6,228 people
Residents of ORAug 24, 2023
Oregon DOJ308,072 people
Residents of INAug 25, 2023
Indiana AG5,047 people
History of this record
records_basis2026-09-25
empty to organizationby backfillSource
records2026-09-25
empty to 308072by backfillSource
attack2026-09-25
unknown to hackingby backfillSource
discovered2026-09-25
empty to 2023-05-31by backfillSource
Added2026-09-25
First recordedby backfillSource

First seen 2026-09-25 (California AG), confirmed by California AG. Record counts are as reported. Not legal advice.

Everything about NTT DATA Americas