Every public data breach

44 disclosed this week · 26,355 on record

JPMorgan Chase Bank

Disclosed Aug 13, 2021451,809 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

Notices filed

Other breaches at JPMorgan Chase Bank

History of this record
records_basis2026-09-25
empty to organizationby backfillSource
records2026-09-25
empty to 451809by backfillSource
attack2026-09-25
unknown to hackingby backfillSource
discovered2026-09-25
empty to 2024-02-26by backfillSource
disclosed2026-09-25
2024-04-29 to 2021-08-13by 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.

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