Every public data breach

Disclosed this week44On record26,355

44 disclosed this week · 26,355 on record

Southwest Airlines

Disclosed Apr 20, 201836,485 affectedConfirmed

Official notice

What is known

People affected36,485 (as reported by the organization)
DisclosedApr 20, 2018
DiscoveredMar 22, 2018
HappenedOct 1, 2017
AttackNot stated
Data exposedNamesPayment cardsFinancialPasswords
SectorOther · US
StatusConfirmed

Sources

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

Notices filed

Residents of CAApr 20, 2018
California AGCount not stated
Residents of ORApr 20, 2018
Oregon DOJ36,485 people
Residents of INApr 20, 2018
Indiana AG618 people
Residents of MEApr 20, 2018
Maine AG55 people

Other breaches at Southwest Airlines

Breach, details not statedBreach notice filed with the Indiana AG, details not stated.160 affectedUSOct 24, 2024Breach, details not statedBreach notice filed with the Indiana AG, details not stated.3,009 affectedUSJun 23, 2023
History of this record
data_types2026-09-25
[] to ["names","payment-card","financial","passwords"]by backfillSource
records_basis2026-09-25
empty to organizationby backfillSource
records2026-09-25
empty to 36485by backfillSource
discovered2026-09-25
empty to 2018-03-22by 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 Southwest Airlines