Skip to content

CareFirst Blue Cross Blue Shield

Disclosed May 20, 201511 years ago1,300,000 affectedConfirmed

Official notice

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.

What is known

People affected1,300,000 (as reported to HHS)
DisclosedMay 20, 2015
AttackHacking
Data exposedNames, Health
SectorInsurance · US
StatusConfirmed

Sources

Notices filed

WhereFiledPeople
HHS archivetotalMay 20, 20151,300,000

Other breaches at CareFirst Blue Cross Blue Shield

BreachAffected
Disclosed Apr 26, 2018Apr 26, 20188 years agoHacking6,200
History of this record
  • 2026-09-25 · added · backfill source

First seen 2026-09-25 (HHS archive), confirmed by HHS OCR. Record counts are as reported. Not legal advice.

Everything about CareFirst Blue Cross Blue Shield

New breaches by email

Wednesdays, only in weeks with newly disclosed breaches, the largest first.

Double opt-in. Unsubscribe any time.