Skip to content

JPMorgan Chase

Disclosed Dec 5, 201312 years ago83,000,000 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 exposedNames, Addresses, Phone numbers, Emails, Social Security numbers, Dates of birth
SectorFinance · US
StatusConfirmed

Sources

Source
JPMorgan Chase Form 8-K, October 2, 2014sec.gov · SEC filing
Maine Attorney General breach notice archive: JPMorgan Chasemaine.gov · Official notice

Notices filed

WhereFiledPeople
Maine AGresidents of MEDec 5, 20131,292
ResearchtotalOct 2, 201483,000,000
History of this record
  • 2026-09-25 · data_types: ["names","addresses","phone","emails"] to ["names","addresses","phone","emails","ssn","dob"] · backfill source
  • 2026-09-25 · disclosed: 2014-10-02 to 2013-12-05 · backfill source
  • 2026-09-25 · added · seed source

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

Everything about JPMorgan Chase

New breaches by email

Wednesdays, only in weeks with newly disclosed breaches, the largest first.

Double opt-in. Unsubscribe any time.