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Regulator-posted notice

Breach notice filed by Health Care Service Corporation (April 2025)

Organization named: Health Care Service Corporation Provisional: identity as filed, not yet matched to the directory
Type as the source lists it: Unauthorized Access/Disclosure

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 April 13, 2025.

Organization as reported
Health Care Service Corporation, IL
Entity type as reported
Health Plan
Category as reported
Unauthorized Access/Disclosure
Location of information as reported
Other
Submission date
April 13, 2025
Observed by BreachRecords
2026-10-18 16:15 UTC (revision 9350, row:489)
Archived copy
Held in the private archive (provenance)

The covered entity (CE), Health Care Service Corporation, reported that it experienced a hacking incident that compromised the protected health information (PHI) of 2,944 individuals. The CE provided breach notification to the affected individuals, the media, the HHS Secretary, and posted substitute breach notice on its websites. In response to the breach, the CE implemented a variety of new safeguards on member account registration, and a series of technical improvements to detect and block suspicious activity in the member portal.

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

Figures, per source

  • 2,944 individuals affected (total reported), according to the HHS Office for Civil Rights breach portal, source date April 13, 2025, 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 9350)
  • Approved by a reviewer

Organizations linked by a reviewer

  • Health Care Service Corporation 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, 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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