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Regulator-posted notice

Breach notice filed by CareFirst Blue Cross Blue Shield (May 2015)

Organization named: CareFirst Blue Cross Blue Shield 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 May 20, 2015.

Organization as reported
CareFirst Blue Cross Blue Shield, MD
Entity type as reported
Health Plan
Category as reported
Hacking/IT Incident
Location of information as reported
Network Server
Submission date
May 20, 2015
Observed by BreachRecords
2026-10-18 16:15 UTC (revision 14792, row:5931)
Archived copy
Held in the private archive (provenance)

The covered entity (CE), CareFirst Blue Cross Blue Shield, reported that it was the victim of a cyberattack that affected the electronic protected health information (ePHI) of approximately 1.3 million individuals. The ePHI involved included names, health insurance information, usernames, email addresses, and dates of birth. The CE notified HHS, affected individuals, the media, and provided substitute notice. In response to the breach, the CE implemented additional administrative, technical, and security safeguards to better protect its ePHI. OCR obtained assurances that the CE implemented the corrective actions noted.

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

Figures, per source

  • 1,300,000 individuals affected (total reported), as reported by the HHS OCR breach portal (HIPAA breaches affecting 500 or more individuals), source date May 20, 2015, 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 at the HHS OCR breach portal (HIPAA breaches affecting 500 or more individuals)
  • Observed by BreachRecords (revision 14792)
  • Approved by a reviewer

Organizations linked by a reviewer

  • CareFirst Blue Cross Blue Shield 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.

Request a correction

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