Regulator-posted notice

Breach notice filed by Alameda Health System (September 2020)

Organization named: Alameda 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. 15, 2020.

Organization as reported: Alameda Health System, CA
Entity type as reported: Healthcare Provider
Category as reported: Hacking/IT Incident
Location of information as reported: Email
Submission date: Sept. 15, 2020
Observed by BreachRecords: 2026-10-18 16:15 UTC (revision 12646, row:3785)
Archived copy: Held in the private archive (provenance)

The covered entity (CE), Alameda Health System, reported that multiple employees were the targets of an email phishing scheme that affected the protected health information (PHI) of 16,813 individuals. The PHI involved included clinical, demographic, and treatment information. The CE notified HHS, affected individuals, and the media. In response to the breach, the CE changed passwords and strengthened password requirements, provided individuals with free credit monitoring, revised policies and procedures, implemented new technical safeguards, and conducted a new/updated HIPAA Security Rule Risk Analysis.
The source's own words, from the revision above.

Figures, per source

2,691 individuals affected (total reported), as reported by the HHS OCR breach portal (HIPAA breaches affecting 500 or more individuals), source date Sept. 15, 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.

2020-09-15Submission date at the HHS OCR breach portal (HIPAA breaches affecting 500 or more individuals)
2026-10-18Observed by BreachRecords (revision 12646)
2026-10-19Approved by a reviewer

Organizations linked by a reviewer

Alameda 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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