Every public data breach

Disclosed this week47On record26,367

47 disclosed this week · 26,367 on record

Brien Center for Mental Health and Substance Abuse Services

Disclosed Jul 18, 20255,427 affectedConfirmed

Official notice

The Brien Center for Mental Health and Substance Abuse Services, the covered entity (CE) reported that an unauthorized third-party gained access to its network and accessed or acquired the protected health information (PHI) of 5,427 individuals. The PHI involved included demographic and clinical diagnostic information. The CE notified HHS and the affected individuals. OCR provided technical assistance regarding the HIPAA Rules. In its mitigation efforts, the CE implemented additional administrative, technical, and security safeguards to better protect its sensitive data.

What is known

People affected5,427 (as reported to HHS)
DisclosedJul 18, 2025
AttackHacking
Data exposedNamesHealth
SectorHealthcare · US
StatusConfirmed

Sources

Official noticeago.vermont.gov
Vermont Attorney General: 2025-07-18 The Brien Center for Mental Health and Substance Abuse Services Data Breach Notice to Consumers
Official noticeocrportal.hhs.gov
HHS OCR breach report (archive, resolved): Brien Center for Mental Health and Substance Abuse Services (Healthcare Provider, MA)

Notices filed

Residents of VTJul 18, 2025
Vermont AGCount not stated
TotalJul 18, 2025
HHS archive5,427 people
History of this record
attack2026-09-25
unknown to hackingby backfillSource
data_types2026-09-25
[] to ["names","health"]by backfillSource
records_basis2026-09-25
empty to hhsby backfillSource
records2026-09-25
empty to 5427by backfillSource
summary2026-09-25
empty to The Brien Center for Mental Health and Substance Abuse Services, the covered entity (CE) reported that an unauthorized third-party gained access to its network and accessed or acquired the protected health information (PHI) of 5,427 individby backfillSource
Added2026-09-25
First recordedby backfillSource

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

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