Every public data breach

Disclosed this week44On record26,355

44 disclosed this week · 26,355 on record

MidFirst Bank

Disclosed Aug 4, 2023Confirmed

Official notice

What is known

People affectedNot stated in the sources we have
DisclosedAug 4, 2023
DiscoveredJun 13, 2023
HappenedMay 27, 2023
AttackHacking
Data exposedNot stated
SectorFinance · US
StatusConfirmed

Sources

Official noticeoag.ca.gov
California Attorney General breach notice: MidFirst Bank
Official noticeatg.wa.gov
Washington Attorney General breach notice: MidFirst Bank
Official noticejustice.oregon.gov
Oregon DOJ breach notice: MidFirst Bank

Notices filed

Residents of WAAug 4, 2023
Washington AG6,097 people
Residents of CAAug 21, 2023
California AGCount not stated
Residents of ORAug 21, 2023
Oregon DOJCount not stated
History of this record
attack2026-09-25
unknown to hackingby backfillSource
disclosed2026-09-25
2023-08-21 to 2023-08-04by backfillSource
discovered2026-09-25
empty to 2023-06-13by backfillSource
occurred2026-09-25
empty to 2023-05-27by 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 MidFirst Bank