Every public data breach

44 disclosed this week · 26,355 on record

Alta Resources

Disclosed Dec 20, 202437,363 affectedConfirmed

Official notice

The covered entity (CE), Alta Resources Corporation, reported that it experienced a ransomware attack that affected the protected health information (PHI) of approximately 12,162 individuals. The PHI involved names, addresses, dates of birth, drivers’ license and social security numbers, and diagnoses and conditions. The CE notified HHS, the affected individuals, the media, and provided substitute notice. In its mitigation efforts, the CE provided complimentary credit monitoring services and implemented additional technical safeguards.

What is known

People affected37,363 (as reported by the organization)
DisclosedDec 20, 2024
HappenedNov 18, 2023
AttackHacking
Data exposedNamesHealth
SectorInsurance · US
StatusConfirmed

Sources

Notices filed

History of this record
sector2026-09-25
other to insuranceby backfillSource
attack2026-09-25
unknown to hackingby backfillSource
data_types2026-09-25
[] to ["names","health"]by backfillSource
summary2026-09-25
empty to The covered entity (CE), Alta Resources Corporation, reported that it experienced a ransomware attack that affected the protected health information (PHI) of approximately 12,162 individuals. The PHI involved names, addresses, dates of birtby backfillSource
records_basis2026-09-25
empty to organizationby backfillSource
records2026-09-25
empty to 37363by backfillSource
source2026-09-25
empty to https://ago.vermont.gov/document/2024-12-20-alta-resources-data-breach-notice-consumersby 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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