Every public data breach

Disclosed this week47On record26,367

47 disclosed this week · 26,367 on record

Amateur Athletic Union

Disclosed Sep 13, 2019287,661 affectedConfirmed

Official notice

What is known

People affected287,661 (as reported by the organization)
DisclosedSep 13, 2019
DiscoveredAug 2, 2019
HappenedOct 1, 2018
AttackHacking
Data exposedNamesCredentials and tokensPayment cardsFinancial
SectorNonprofit · US
StatusConfirmed

Sources

Official noticeoag.ca.gov
California Attorney General breach notice: Amateur Athletic Union
Official noticeatg.wa.gov
Washington Attorney General breach notice: Amateur Athletic Union
Official noticeattorneygeneral.delaware.gov
Notice letter filed with the Delaware DOJ: Amateur Athletic Union
Official noticejustice.oregon.gov
Oregon DOJ breach notice: Amateur Athletic Union
Official noticein.gov
Indiana Attorney General 2019 data breach report: Amateur Athletic Union
Official noticemaine.gov
Maine Attorney General breach notice archive: Amateur Athletic Union

Notices filed

Residents of CASep 13, 2019
California AGCount not stated
Residents of WASep 13, 2019
Washington AG12,200 people
Residents of DESep 13, 2019
Delaware DOJ809 people
Residents of ORSep 13, 2019
Oregon DOJ287,661 people
Residents of INSep 13, 2019
Indiana AG5,286 people
Residents of MESep 13, 2019
Maine AG386 people
History of this record
data_types2026-09-25
["names","credentials"] to ["names","credentials","payment-card","financial"]by backfillSource
records_basis2026-09-25
empty to organizationby backfillSource
records2026-09-25
empty to 287661by backfillSource
data_types2026-09-25
[] to ["names","credentials"]by backfillSource
attack2026-09-25
unknown to hackingby backfillSource
discovered2026-09-25
empty to 2019-08-02by 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.

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