Southwest Airlines

Disclosed Apr 20, 20188 years ago36,485 affectedConfirmed

Official notice

What is known

People affected	36,485 (as reported by the organization)
Disclosed	Apr 20, 2018
Discovered	Mar 22, 2018
Happened	Oct 1, 2017
Attack	Not stated
Data exposed	Names, Payment cards, Financial, Passwords
Sector	Other · US
Status	Confirmed

Sources

Source	Kind
California Attorney General breach notice: Southwest Airlinesoag.ca.gov · Official notice	Official notice
Oregon DOJ breach notice: Southwest Airlinesjustice.oregon.gov · Official notice	Official notice
Indiana Attorney General 2018 data breach report: Southwest Airlinesin.gov · Official notice	Official notice
Maine Attorney General breach notice archive: Southwest Airlinesmaine.gov · Official notice	Official notice

Notices filed

Where	Filed	People
California AGresidents of CA	Apr 20, 2018
Oregon DOJresidents of OR	Apr 20, 2018	36,485
Indiana AGresidents of IN	Apr 20, 2018	618
Maine AGresidents of ME	Apr 20, 2018	55

Other breaches at Southwest Airlines

Breach	Disclosed	Attack	Sector	Status	Affected
Disclosed Oct 24, 2024Oct 24, 20241 year ago	Oct 24, 20241 year ago	Not stated	Other	Confirmed	160
Disclosed Jun 23, 2023Jun 23, 20233 years ago	Jun 23, 20233 years ago	Not stated	Other	Confirmed	3,009

History of this record

2026-09-25 · data_types: [] to ["names","payment-card","financial","passwords"] · backfill source
2026-09-25 · records_basis: empty to organization · backfill source
2026-09-25 · records: empty to 36485 · backfill source
2026-09-25 · discovered: empty to 2018-03-22 · backfill source
2026-09-25 · added · backfill source

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

Everything about Southwest Airlines

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