Every public data breach

Disclosed this week44On record26,355

44 disclosed this week · 26,355 on record

Cornwell Quality Tools

Disclosed Sep 4, 2025103,782 affectedConfirmed

Official notice

What is known

People affected103,782 (as reported by the organization)
DisclosedSep 4, 2025
DiscoveredDec 20, 2024
HappenedDec 12, 2024
AttackRansomware
Data exposedNot stated
SectorOther · US
StatusConfirmed

Sources

Official noticeoag.ca.gov
California Attorney General breach notice: Cornwell Quality Tools
Official noticeatg.wa.gov
Washington Attorney General breach notice: Cornwell Quality Tools
Official noticejustice.oregon.gov
Oregon DOJ breach notice: Cornwell Quality Tools
Official noticeago.vermont.gov
Vermont Attorney General: 2025-09-04 Cornwell Quality Tools Data Breach Notice to Consumers
Official noticein.gov
Indiana Attorney General 2025 data breach report: Cornwell Quality Tools

Notices filed

Residents of VTSep 4, 2025
Vermont AGCount not stated
Residents of INSep 4, 2025
Indiana AG2,366 people
Residents of WASep 5, 2025
Washington AG3,170 people
Residents of CASep 8, 2025
California AGCount not stated
Residents of ORSep 8, 2025
Oregon DOJ103,782 people

Other breaches at Cornwell Quality Tools

Breach, details not statedBreach notice filed with the California AG, details not stated.12K affectedUSAug 29, 2023
History of this record
records_basis2026-09-25
empty to organizationby backfillSource
records2026-09-25
empty to 103782by backfillSource
disclosed2026-09-25
2025-09-05 to 2025-09-04by backfillSource
attack2026-09-25
unknown to ransomwareby backfillSource
disclosed2026-09-25
2025-09-08 to 2025-09-05by backfillSource
discovered2026-09-25
empty to 2024-12-20by 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.

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