Regulator-posted notice

Breach notice filed by Cornerstones of Care (November 2020)

Organization named: Cornerstones of Care 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 Nov. 12, 2020.

Organization as reported: Cornerstones of Care, MO
Entity type as reported: Healthcare Provider
Category as reported: Hacking/IT Incident
Location of information as reported: Other
Submission date: Nov. 12, 2020
Observed by BreachRecords: 2026-10-18 16:15 UTC (revision 12509, row:3648)
Archived copy: Held in the private archive (provenance)

The covered entity (CE), Cornerstones of Care, reported that its business associate (BA) experienced a ransomware attack affecting the electronic protected health information (ePHI) of approximately 15,680 individuals. The ePHI involved included names, addresses, dates of birth, Social Security numbers, and treatment information. The CE notified HHS, affected individuals, the media, and provided substitute notice.
The source's own words, from the revision above.

Figures, per source

15,680 individuals affected (total reported), as reported by the HHS OCR breach portal (HIPAA breaches affecting 500 or more individuals), source date Nov. 12, 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.

2020-11-12Submission date at the HHS OCR breach portal (HIPAA breaches affecting 500 or more individuals)
2026-10-18Observed by BreachRecords (revision 12509)
2026-10-19Approved by a reviewer

Organizations linked by a reviewer

Cornerstones of Care 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.

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