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Breaches.

JPMorgan Chase Bank

Disclosed Aug 13, 20215 years ago451,809 affectedConfirmed

Official notice

What is known

People affected451,809 (as reported by the organization)
DisclosedAug 13, 2021
DiscoveredFeb 26, 2024
HappenedAug 26, 2021
AttackHacking
Data exposedNot stated
SectorFinance · US
StatusConfirmed

Sources

Source
California Attorney General breach notice: JPMorgan Chase Bankoag.ca.gov · Official notice
Washington Attorney General breach notice: JPMorgan Chase Bankatg.wa.gov · Official notice
Oregon DOJ breach notice: JPMorgan Chase Bankjustice.oregon.gov · Official notice
Indiana Attorney General 2024 data breach report: JPMorgan Chase Bankin.gov · Official notice

Notices filed

WhereFiledPeople
California AGresidents of CAAug 13, 2021
Washington AGresidents of WAApr 18, 20244,513
Indiana AGresidents of INApr 18, 202413,259
California AGresidents of CAApr 29, 2024
Oregon DOJresidents of ORMay 2, 2024451,809

Other breaches at JPMorgan Chase Bank

BreachAffected
Disclosed May 5, 2025May 5, 20251 year ago31
Disclosed Dec 23, 2020Dec 23, 20205 years agoUnknown
Disclosed Aug 10, 2018Aug 10, 20188 years agoUnknown
Disclosed Dec 5, 2013Dec 5, 201312 years agoUnknown
History of this record
  • 2026-09-25 · records_basis: empty to organization · backfill source
  • 2026-09-25 · records: empty to 451809 · backfill source
  • 2026-09-25 · attack: unknown to hacking · backfill source
  • 2026-09-25 · discovered: empty to 2024-02-26 · backfill source
  • 2026-09-25 · disclosed: 2024-04-29 to 2021-08-13 · backfill source
  • 2026-09-25 · added · backfill source

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

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