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Niagara County Department of Mental Health and Substance Abuse

Disclosed Aug 5, 20224 years ago17,000 affectedConfirmed

Official notice

The covered entity (CE), Niagara County Department of Mental Health and Substance Abuse, reported that an employee was the victim of an email phishing attack affecting the protected health information (PHI) of 17,000 individuals. The PHI involved included names, addresses, dates of birth, Social Security numbers, claims information, diagnoses, and treatment information. The CE notified HHS, affected individuals, the media, and provided substitute notice on its website. In response to the breach, the CE provided complimentary credit monitoring services to affected individuals and implemented additional technical safeguards.

What is known

People affected17,000 (as reported to HHS)
DisclosedAug 5, 2022
AttackHacking
Data exposedNames, Health
SectorHealthcare · US
StatusConfirmed

Sources

Notices filed

WhereFiledPeople
HHS archivetotalAug 5, 202217,000
History of this record
  • 2026-09-25 · added · backfill source

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

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