Dallas County Mental Health Mental Retardation Center
Disclosed Nov 17, 20178 years ago120,259 affectedConfirmed
The covered entity (CE), Dallas County Mental Health Mental Retardation Center dba Metrocare Services, reported that several employees were the victims of an email phishing attack that affected the electronic protected health information (ePHI) of 5,290 individuals. The ePHI involved included names, addresses, dates of birth, drivers’ license numbers, Social Security numbers, and medical treatment information. The CE notified HHS, affected individuals, and the media. In response to the breach, the CE implemented additional administrative, technical, and security safeguards to better protect its ePHI. In addition, the CE retrained its workforce members on the proper methods of identifying fraudulent email communications. OCR obtained assurances that the CE implemented the corrective actions noted.
What is known
| People affected | 120,259 (as reported to HHS) |
|---|---|
| Disclosed | Nov 17, 2017 |
| Attack | Hacking |
| Data exposed | Names, Health |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| HHS OCR breach report (archive, resolved): Dallas County Mental Health Mental Retardation Center (Healthcare Provider, TX)ocrportal.hhs.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| HHS archivetotal | Nov 17, 2017 | 120,259 |
| HHS archivetotal | Nov 1, 2018 | 1,804 |
| HHS archivetotal | Apr 5, 2019 | 5,290 |
History of this record
- 2026-09-25 · records: 5290 to 120259 · backfill source
- 2026-09-25 · disclosed: 2018-11-01 to 2017-11-17 · backfill source
- 2026-09-25 · disclosed: 2019-04-05 to 2018-11-01 · 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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