Lake County Health Department and Community Health Center
Disclosed Apr 25, 20233 years ago23,376 affectedConfirmed
The covered entity (CE), Lake County Health Department and Community Health Center, reported that an employee was the subject of an email phishing attack that affected the protected health information (PHI) of 5,000 individuals. The PHI involved included names, addresses, dates of birth, phone numbers, email addresses, and diagnoses and conditions. The CE notified HHS, the affected individuals, and the media. In response to the breach, the CE implemented additional administrative, technical, and security safeguards and increased staff training.
What is known
| People affected | 23,376 (as reported to HHS) |
|---|---|
| Disclosed | Apr 25, 2023 |
| Attack | Hacking |
| Data exposed | Names, Health |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| HHS OCR breach report (archive, resolved): Lake County Health Department and Community Health Center (Healthcare Provider, IL)ocrportal.hhs.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| HHS archivetotal | Apr 25, 2023 | 23,376 |
| HHS archivetotal | Dec 26, 2023 | 5,000 |
Other breaches at Lake County Health Department and Community Health Center
| Breach | Affected | ||||
|---|---|---|---|---|---|
| Disclosed Jul 17, 2026Jul 172 months agoInsider | Jul 172 months ago | Insider | Healthcare | Confirmed | 981 |
| Disclosed Nov 5, 2020Nov 5, 20205 years agoInsider | Nov 5, 20205 years ago | Insider | Healthcare | Confirmed | 3,815 |
History of this record
- 2026-09-25 · records: 5000 to 23376 · backfill source
- 2026-09-25 · disclosed: 2023-12-26 to 2023-04-25 · backfill source
- 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.
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