Every public data breach

Disclosed this week47On record26,367

47 disclosed this week · 26,367 on record

J.P. Morgan Chase Bank, N.A.-Addendum

Disclosed Apr 18, 2024451,809 affectedConfirmed

Official notice

What is known

People affected451,809 (as reported by the organization)
DisclosedApr 18, 2024
DiscoveredFeb 26, 2024
HappenedAug 26, 2021
AttackNot stated
Data exposedNames
SectorFinance · US
StatusConfirmed

Sources

Official noticeattorneygeneral.delaware.gov
Delaware DOJ breach notice: J.P. Morgan Chase Bank, N.A.-Addendum

Notices filed

Residents of DEApr 18, 2024
Delaware DOJ2,394 people
History of this record
Added2026-09-25
First recordedby backfillSource

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

Everything about J.P. Morgan Chase Bank, N.A.-Addendum