Every public data breach

47 disclosed this week · 26,367 on record

JPMorgan Chase

Disclosed Dec 5, 201383,000,000 affectedConfirmed

SEC filing

Cyberattack compromises contact data of 76 million households at JPMorgan

JPMorgan Chase disclosed that a cyberattack compromised names, addresses, phone numbers and emails of about 76 million households and 7 million small businesses, with no evidence that account numbers, passwords or SSNs were taken.

What is known

People affected83,000,000 (as reported by the organization)
DisclosedDec 5, 2013
AttackHacking
Data exposedNamesAddressesPhone numbersEmailsSocial Security numbersDates of birth
SectorFinance · US
StatusConfirmed

Sources

Notices filed

History of this record
data_types2026-09-25
["names","addresses","phone","emails"] to ["names","addresses","phone","emails","ssn","dob"]by backfillSource
disclosed2026-09-25
2014-10-02 to 2013-12-05by backfillSource
Added2026-09-25
First recordedby seedSource

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

Everything about JPMorgan Chase