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Regulator-posted notice

Breach notice filed by Gold Coast Health Plan (October 2018)

Organization named: Gold Coast Health Plan 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 Oct. 5, 2018.

Organization as reported
Gold Coast Health Plan, CA
Entity type as reported
Business Associate
Category as reported
Hacking/IT Incident
Location of information as reported
Email
Submission date
Oct. 5, 2018
Observed by BreachRecords
2026-10-18 16:15 UTC (revision 13672, row:4811)
Archived copy
Held in the private archive (provenance)

On October 5, 2018, the covered entity (CE), Gold Coast Health Plan, reported that phishing attacks compromised its workforce members’ emails, affecting 37,005 individuals. The types of protected health information (PHI) involved in the breach included names, dates of birth, Medi-Cal numbers, health plan names, claims information, diagnoses/conditions, and other treatment information. The CE provided breach notification to HHS, affected individuals, and the media. In response to the breach, the CE implemented new technical safeguards, trained its workforce members on phishing attacks, and implemented risk analysis and risk management plans as recommended by its security company. The CE also provided OCR with additional documentation including its revised policies and procedures and its new employee orientation packet relevant to this breach investigation. OCR obtained assurances that the CE implemented the corrective actions listed above. .

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

Figures, per source

  • 37,005 individuals affected (total reported), according to the HHS Office for Civil Rights breach portal, source date Oct. 5, 2018, 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 13672)
  • Approved by a reviewer

Organizations linked by a reviewer

  • Gold Coast Health Plan Named as a service provider 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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