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Regulator-posted notice

Breach notice filed by Munson Healthcare (February 2020)

Organization named: Munson Healthcare 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 Feb. 26, 2020.

Organization as reported
Munson Healthcare, MI
Entity type as reported
Healthcare Provider
Category as reported
Hacking/IT Incident
Location of information as reported
Email
Submission date
Feb. 26, 2020
Observed by BreachRecords
2026-10-18 16:15 UTC (revision 12984, row:4123)
Archived copy
Held in the private archive (provenance)

The covered entity (CE), Munson Healthcare, reported that several employees were the subjects of an email phishing incident that affected the protected health information (PHI) of 75,202 individuals. The PHI involved included names, dates of birth, health insurance information, medical record numbers, prescription information, diagnoses, Social Security numbers, financial information, drivers’ license numbers, and other treatment information. The CE notified HHS, affected individuals, the media, and posted substitute notice on its website. In its mitigation efforts, the CE provided complimentary credit monitoring services and established a call center for questions or concerns. In addition, the CE implemented additional administrative and technical safeguards to better protect its PHI. Staff were retrained on email security.

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

Figures, per source

  • 75,202 individuals affected (total reported), as reported by the HHS OCR breach portal (HIPAA breaches affecting 500 or more individuals), source date Feb. 26, 2020, 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 12984)
  • Approved by a reviewer

Organizations linked by a reviewer

  • Munson Healthcare 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

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