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Regulator-posted notice

Breach notice filed by Great Plains Manufacturing, Inc (December 2021)

Organization named: Great Plains Manufacturing, Inc 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 Office for Civil Rights breach portal with a submission date of Dec. 1, 2021.

Organization as reported
Great Plains Manufacturing, Inc, KS
Entity type as reported
Health Plan
Category as reported
Hacking/IT Incident
Location of information as reported
Network Server
Submission date
Dec. 1, 2021
Observed by BreachRecords
2026-10-18 16:15 UTC (revision 11750, row:2889)
Archived copy
Held in the private archive (provenance)

The covered entity (CE), Great Plains Manufacturing, reported that it experienced a cyber-attack affecting the protected health information (PHI) of 4,110 individuals. The PHI involved included names, dates of birth, and Social Security numbers. The CE notified HHS, the affected individuals, the media, and provided substitute notice. In response to the breach, the CE provided complimentary credit monitoring services and implemented additional administrative, technical, and security safeguards.

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

Figures, per source

  • 4,110 individuals affected (total reported), according to the HHS Office for Civil Rights breach portal, source date Dec. 1, 2021, 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 (HHS Office for Civil Rights breach portal)
  • Observed by BreachRecords (revision 11750)
  • Approved by a reviewer

Organizations linked by a reviewer

  • Great Plains Manufacturing, Inc 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, retrieved from HHS Office for Civil Rights breach portal, 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.

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