Every public data breach

Disclosed this week44On record26,355

44 disclosed this week · 26,355 on record

Oklahoma Tax Commission

Disclosed Mar 27, 2026160,830 affectedConfirmed

Official notice

What is known

People affected160,830 (as reported by the organization)
DisclosedMar 27, 2026
DiscoveredMar 10, 2026
HappenedJul 5, 2024
AttackNot stated
Data exposedSocial Security numbersNames
SectorFinance · US
StatusConfirmed

Sources

Official noticeoag.ca.gov
California Attorney General breach notice: Oklahoma Tax Commission
Official noticeoag.my.site.com
Texas Attorney General data security breach report BR-0004940: Oklahoma Tax Commission
Official noticein.gov
Indiana Attorney General 2026 data breach report: Oklahoma Tax Commission

Notices filed

Residents of CAMar 27
California AGCount not stated
Residents of INMar 27
Indiana AG126 people
Residents of TXMar 30
Texas AG4,177 people
History of this record
source2026-09-25
empty to https://www.in.gov/attorneygeneral/consumer-protection-division/id-theft-prevention/files/DB-Year-to-Date-Report-7_2026.pdfby backfillSource
data_types2026-09-25
[] to ["ssn","names"]by backfillSource
records_basis2026-09-25
empty to organizationby backfillSource
records2026-09-25
empty to 160830by backfillSource
discovered2026-09-25
empty to 2026-03-10by 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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