National World War II Museum

Disclosed Jun 21, 20197 years ago2,285 affectedConfirmed

Official notice

What is known

People affected	2,285 (as reported by the organization)
Disclosed	Jun 21, 2019
Discovered	Apr 10, 2019
Happened	Oct 6, 2018
Attack	Not stated
Data exposed	Names, Payment cards, Financial
Sector	Nonprofit · US
Status	Confirmed

Sources

Source	Kind
Indiana Attorney General 2019 data breach report: National World War II Museumin.gov · Official notice	Official notice
Maine Attorney General breach notice archive: National World War II Museummaine.gov · Official notice	Official notice

Notices filed

Where	Filed	People
Indiana AGresidents of IN	Jun 21, 2019	42
Maine AGresidents of ME	Jun 21, 2019	6

Other breaches at National World War II Museum

Breach	Disclosed	Attack	Sector	Status	Affected
Disclosed Feb 12, 2021Feb 12, 20215 years ago	Feb 12, 20215 years ago	Not stated	Other	Confirmed	1,128

History of this record

2026-09-25 · sector: other to nonprofit · backfill source
2026-09-25 · data_types: [] to ["names","payment-card","financial"] · backfill source
2026-09-25 · discovered: empty to 2019-04-10 · backfill source
2026-09-25 · added · backfill source

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

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