Every public data breach

Disclosed this week47On record26,367

47 disclosed this week · 26,367 on record

Financial Institution Service

Disclosed Sep 22, 2023753,261 affectedConfirmed

Official notice

What is known

People affected753,261 (as reported by the organization)
DisclosedSep 22, 2023
DiscoveredMay 31, 2023
HappenedMay 30, 2023
AttackHacking
Data exposedNames
SectorFinance · US
StatusConfirmed

Sources

Official noticeoag.ca.gov
California Attorney General breach notice: Financial Institution Service
Official noticeatg.wa.gov
Washington Attorney General breach notice: Financial Institution Service
Official noticeattorneygeneral.delaware.gov
Notice letter filed with the Delaware DOJ: Financial Institution Service
Official noticejustice.oregon.gov
Oregon DOJ breach notice: Financial Institution Service
Official noticein.gov
Indiana Attorney General 2023 data breach report: Financial Institution Service

Notices filed

Residents of CASep 22, 2023
California AGCount not stated
Residents of WASep 22, 2023
Washington AG2,140 people
Residents of ORSep 22, 2023
Oregon DOJ753,261 people
Residents of INSep 22, 2023
Indiana AG8,530 people
Residents of CASep 28, 2023
California AGCount not stated
Residents of DESep 28, 2023
Delaware DOJ524 people
Residents of CAOct 4, 2023
California AGCount not stated
History of this record
records_basis2026-09-25
empty to organizationby backfillSource
records2026-09-25
empty to 753261by backfillSource
data_types2026-09-25
[] to ["names"]by backfillSource
attack2026-09-25
unknown to hackingby backfillSource
discovered2026-09-25
empty to 2023-05-31by backfillSource
disclosed2026-09-25
2023-09-28 to 2023-09-22by backfillSource
disclosed2026-09-25
2023-10-04 to 2023-09-28by 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 Financial Institution Service