Every public data breach

Disclosed this week44On record26,355

44 disclosed this week · 26,355 on record

F21 OpCo

Disclosed Aug 29, 2023539,207 affectedConfirmed

Official notice

What is known

People affected539,207 (as reported by the organization)
DisclosedAug 29, 2023
DiscoveredMar 20, 2023
HappenedJan 5, 2023
AttackRansomware
Data exposedNames
SectorOther · US
StatusConfirmed

Sources

Official noticeoag.ca.gov
California Attorney General breach notice: F21 OpCo
Official noticeatg.wa.gov
Washington Attorney General breach notice: F21 OpcO
Official noticeattorneygeneral.delaware.gov
Notice letter filed with the Delaware DOJ: F21 OPCO
Official noticejustice.oregon.gov
Oregon DOJ breach notice: F21 OpCo
Official noticein.gov
Indiana Attorney General 2023 data breach report: F21 Opco

Notices filed

Residents of CAAug 29, 2023
California AGCount not stated
Residents of WAAug 29, 2023
Washington AG9,855 people
Residents of DEAug 29, 2023
Delaware DOJ2,021 people
Residents of ORAug 29, 2023
Oregon DOJ539,207 people
Residents of INAug 29, 2023
Indiana AG6,407 people
History of this record
records_basis2026-09-25
empty to organizationby backfillSource
records2026-09-25
empty to 539207by backfillSource
data_types2026-09-25
[] to ["names"]by backfillSource
attack2026-09-25
unknown to ransomwareby backfillSource
discovered2026-09-25
empty to 2023-03-20by 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 F21 OpCo