Regulator-posted notice

Breach notice filed by Sinai Health System (December 2019)

Organization named: Sinai 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 Dec. 13, 2019.

Organization as reported: Sinai Health System, IL
Entity type as reported: Healthcare Provider
Category as reported: Hacking/IT Incident
Location of information as reported: Email
Submission date: Dec. 13, 2019
Observed by BreachRecords: 2026-10-18 16:15 UTC (revision 13089, row:4228)
Archived copy: Held in the private archive (provenance)

The covered entity (CE), Sinai Health System, reported that several employees were victims of an email phishing attack that compromised the protected health information (PHI) of 12,578 individuals. The PHI involved included names, addresses, dates of birth, Social Security numbers, drivers’ license numbers, diagnoses/conditions, medications prescribed, and financial and other treatment information. The CE notified HHS, affected individuals, the media, and provided substitute notice on its website. In response to the breach, the CE implemented additional administrative and technical safeguards and provided training to its staff on cybersecurity issues.
The source's own words, from the revision above.

Figures, per source

12,578 individuals affected (total reported), as reported by the HHS OCR breach portal (HIPAA breaches affecting 500 or more individuals), source date Dec. 13, 2019, 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.

2019-12-13Submission date at the HHS OCR breach portal (HIPAA breaches affecting 500 or more individuals)
2026-10-18Observed by BreachRecords (revision 13089)
2026-10-19Approved by a reviewer

Organizations linked by a reviewer

Sinai 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.

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