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Regulator-posted notice

Breach notice filed by Seneca Nation Health System (September 2024)

Organization named: Seneca Nation Health System Provisional: identity as filed, not yet matched to the directory
Type as the source lists it: Hacking/IT Incident

What the sources say

HHS OCR breach portal (HIPAA breaches affecting 500 or more individuals) Primary notice

Posted on the HHS OCR breach portal (HIPAA breaches affecting 500 or more individuals) with a submission date of Sept. 6, 2024.

Organization as reported
Seneca Nation Health System, NY
Entity type as reported
Healthcare Provider
Category as reported
Hacking/IT Incident
Location of information as reported
Network Server
Submission date
Sept. 6, 2024
Observed by BreachRecords
2026-10-18 16:15 UTC (revision 9716, row:855)
Archived copy
Held in the private archive (provenance)

The covered entity (CE), Seneca Nation Health System, reported that it was the victim of a cybersecurity incident that affected the protected health information (PHI) of 16,879 individuals. The PHI involved included names, dates of birth, Social Security numbers, addresses, drivers’ license numbers, financial and claims information, diagnoses/conditions, lab results, medications, and treatment information. The CE notified HHS, the affected individuals, and the media. In response to the breach, the CE provided complimentary credit monitoring services to the affected individuals and implemented additional administrative, technical, and security safeguards to better protect its PHI.

The source's own words, from the revision above.

Figures, per source

  • 16,879 individuals affected (total reported), as reported by the HHS OCR breach portal (HIPAA breaches affecting 500 or more individuals), source date Sept. 6, 2024, revision observed 2026-10-18.

Each figure is one source's figure with the basis that source gave. Figures from different sources are shown side by side and are not added, averaged or chosen between.

Timeline

Source dates are the dates the sources give. Observation dates are when BreachRecords recorded each revision.

  • Submission date at the HHS OCR breach portal (HIPAA breaches affecting 500 or more individuals)
  • Observed by BreachRecords (revision 9716)
  • Approved by a reviewer

Organizations linked by a reviewer

  • Seneca Nation Health System Named as the covered entity Provisional: identity as filed, not yet matched to the directory Linked 2026-10-19, method provisional.

Archived evidence

  • 3dbc27dd5742e041cc1e7fe18cc669e2901fbd3b86b7007ed27948ff4d406e1f
    text/csv, 5,530,996 bytes, from the HHS OCR breach portal (HIPAA breaches affecting 500 or more individuals), retrieved 2026-10-18 16:15 UTC. Archived privately · Provenance · Source page

Records reflect source filings as of the dates shown. BreachRecords is not a regulator.

Request a correction

A record that disagrees with its source, names the wrong organization or duplicates another is corrected after review. This form is about Breach notice filed by Seneca Nation Health System (September 2024). We acknowledge every request within two business days. We reply by email.

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