Every public data breach

Disclosed this week44On record26,355

44 disclosed this week · 26,355 on record

Delta Air Lines

Disclosed Apr 11, 2018825,000 affectedConfirmed

Official notice

What is known

People affected825,000 (as reported by the organization)
DisclosedApr 11, 2018
DiscoveredMar 28, 2018
HappenedSep 26, 2017
AttackNot stated
Data exposedNamesSocial Security numbersGovernment IDsPayment cardsFinancialPasswords
SectorTransport · US
StatusConfirmed

Sources

Official noticeoag.ca.gov
California Attorney General breach notice: Delta Air Lines
Official noticejustice.oregon.gov
Oregon DOJ breach notice: Delta Air Lines
Official noticein.gov
Indiana Attorney General 2018 data breach report: Delta Air Lines
Official noticemaine.gov
Maine Attorney General breach notice archive: Delta Air Lines

Notices filed

Residents of INApr 11, 2018
Indiana AG10,088 people
Residents of MEApr 11, 2018
Maine AG2,827 people
Residents of CAApr 13, 2018
California AGCount not stated
Residents of ORApr 13, 2018
Oregon DOJ825,000 people
Residents of MEApr 13, 2018
Maine AGCount not stated
History of this record
data_types2026-09-25
[] to ["names","ssn","government-id","payment-card","financial","passwords"]by backfillSource
records_basis2026-09-25
empty to organizationby backfillSource
records2026-09-25
empty to 825000by backfillSource
disclosed2026-09-25
2018-04-13 to 2018-04-11by backfillSource
discovered2026-09-25
empty to 2018-03-28by 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.

Everything about Delta Air Lines