BreachScout BreachScout Breach Records

Regulator-posted notice

Breach notice filed by Health Care Service Corp (June 2021)

Organization named: Health Care Service Corporation 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 June 15, 2021.

Organization as reported
Health Care Service Corp, IL
Entity type as reported
Health Plan
Category as reported
Hacking/IT Incident
Location of information as reported
Network Server
Submission date
June 15, 2021
Observed by BreachRecords
2026-10-18 16:15 UTC (revision 12077, row:3216)
Archived copy
Held in the private archive (provenance)

Health Care Service Corporation, the covered entity (CE), reported that a vendor of its business associate (BA) experienced a cyber-attack that compromised the protected health information (PHI) of 543 individuals. The PHI involved included names, birthdates, diagnoses, claims information, and other treatment information. The CE notified HHS, affected individuals, the media, and posted substitute notice on its website. In its mitigation efforts, the CE and BA implemented additional administrative, technical, and security safeguards to better protect sensitive data. All staff were retrained.

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

Figures, per source

  • 543 individuals affected (total reported), according to the HHS Office for Civil Rights breach portal, source date June 15, 2021, 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 12077)
  • 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.

Request a correction

A record that disagrees with its source, names the wrong organization or duplicates another is corrected after review. This form is about Breach notice filed by Health Care Service Corp (June 2021). We acknowledge every request within two business days. We reply by email.

The form is being set up. Check back soon.