HHS OCR report · 2024
Kirkland & Ellis LLP data breach
OCR report facts
- Covered entity
- Kirkland & Ellis LLP
- Entity type
- Business Associate
- State
- Illinois
- Individuals affected
- 48,802
- Submission date
- Feb 29, 2024
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Network Server
- Business associate present
- Yes
- Status
- Archive (closed)
OCR description
The business associate (BA), Kirkland & Ellis, reported that a software application it used exposed the protected health information (PHI) of 48,802 individuals. The PHI involved included names, Social Security and drivers’ license numbers, addresses, dates of birth, financial and claims information, diagnoses, lab results, medications, and other treatment information. The BA notified HHS, the affected individuals, the media, and provided substitute notice. In response to the breach, the BA p...
Text as published on the HHS OCR breach portal.
Frequently asked questions
How many people were affected by the Kirkland & Ellis LLP data breach?
The report to HHS OCR lists 48,802 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Feb 29, 2024.
What type of breach was it?
The OCR portal lists the type of breach as Hacking/IT Incident, with the breached information located in: Network Server.
Is the investigation still open?
No. The report is in the OCR portal archive, which holds reports where OCR has closed its review.
Is a breach notice letter from Kirkland & Ellis LLP legitimate?
This site cannot verify letters. Check the sender against the organisation's official website and the HHS OCR breach portal, and avoid calling numbers or clicking links only listed in an unexpected message. See our guide on what to do after a data breach notice.
Source: HHS OCR Breach Portal, OCR export October 2026. Network USA is not affiliated with HHS or Kirkland & Ellis LLP.