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Valley Mountain Regional Center

Disclosed Sep 29, 20232 years ago126,679 affectedConfirmed

Official notice

The covered entity (CE), Valley Mountain Regional Center, reported that it experienced a cyber-attack that compromised the protected health information (PHI) of 126,679 individuals. The PHI involved included names, addresses, birthdates, Social Security and drivers’ license numbers, and diagnoses. The CE notified HHS, the affected individuals, and the media. In response to the breach, the CE updated its administrative and technical safeguards. OCR provided technical assistance regarding the HIPAA Rules.

What is known

People affected126,679 (as reported to HHS)
DisclosedSep 29, 2023
DiscoveredFeb 20, 2024
HappenedAug 1, 2023
AttackHacking
Data exposedNames, Health
SectorNonprofit · US
StatusConfirmed

Sources

Notices filed

WhereFiledPeople
HHS archivetotalSep 29, 2023126,679
California AGresidents of CAApr 19, 2024
Oregon DOJresidents of ORApr 19, 202454,286
Vermont AGresidents of VTApr 19, 2024
Indiana AGresidents of INApr 19, 202431

Other breaches at Valley Mountain Regional Center

BreachAffected
Disclosed Jul 25, 2025Jul 25, 20251 year agoInsider529
Disclosed Nov 9, 2021Nov 9, 20214 years agoHacking17K
History of this record
  • 2026-09-25 · attack: unknown to hacking · backfill source
  • 2026-09-25 · data_types: [] to ["names","health"] · backfill source
  • 2026-09-25 · records_basis: organization to hhs · backfill source
  • 2026-09-25 · records: 54286 to 126679 · backfill source
  • 2026-09-25 · disclosed: 2024-04-19 to 2023-09-29 · backfill source
  • 2026-09-25 · summary: empty to The covered entity (CE), Valley Mountain Regional Center, reported that it experienced a cyber-attack that compromised the protected health information (PHI) of 126,679 individuals. The PHI involved included names, addresses, birthdates, So · backfill source
  • 2026-09-25 · records_basis: empty to organization · backfill source
  • 2026-09-25 · records: empty to 54286 · backfill source
  • 2026-09-25 · source: empty to https://ago.vermont.gov/document/2024-04-19-valley-mountain-regional-center-data-breach-notice-consumers · backfill source
  • 2026-09-25 · discovered: empty to 2024-02-20 · backfill source
  • 2026-09-25 · added · backfill source

First seen 2026-09-25 (California AG), confirmed by California AG. Record counts are as reported. Not legal advice.

Everything about Valley Mountain Regional Center

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