BreachScout BreachScout Breach Records

Regulator-posted notice

Breach notice filed by Citadel of Northbrook (November 2024)

Organization named: Citadel of Northbrook 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 Nov. 25, 2024.

Organization as reported
Citadel of Northbrook, IL
Entity type as reported
Healthcare Provider
Category as reported
Hacking/IT Incident
Location of information as reported
Electronic Medical Record, Network Server
Submission date
Nov. 25, 2024
Observed by BreachRecords
2026-10-18 16:15 UTC (revision 9578, row:717)
Archived copy
Held in the private archive (provenance)

The covered entity (CE), Citadel of Northbrook, reported that its business associate (BA) experienced a data security incident that affected the protected health information (PHI) of 2,155 individuals. The PHI involved included clinical and demographic information. The CE notified HHS, the affected individuals, the media, and provided substitute notice. In response to the breach, the CE provided complimentary credit monitoring services to the affected individuals, and the CE and BA implemented additional administrative, technical, and security safeguards to better protect PHI.

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

Figures, per source

  • 2,155 individuals affected (total reported), as reported by the HHS OCR breach portal (HIPAA breaches affecting 500 or more individuals), source date Nov. 25, 2024, 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 9578)
  • Approved by a reviewer

Organizations linked by a reviewer

  • Citadel of Northbrook 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

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 Citadel of Northbrook (November 2024). We acknowledge every request within two business days. We reply by email.

The form is being set up. Check back soon.