HHS OCR report ยท 2023
City of Dallas data breach
OCR report facts
- Covered entity
- City of Dallas
- Entity type
- Health Plan
- State
- Texas
- Individuals affected
- 5,058
- Submission date
- Aug 3, 2023
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Network Server
- Business associate present
- No
- Status
- Archive (closed)
OCR description
The covered entity (CE), the City of Dallas, reported that it experienced a ransomware incident that affected the protected health information (PHI) of 5,058 individuals. The PHI involved included names, addresses, dates of birth, Social Security numbers, and treatment and financial information. The CE notified HHS, affected individuals, and the media. In response to the breach, the CE implemented additional administrative and technical safeguards.
Text as published on the HHS OCR breach portal.
Frequently asked questions
How many people were affected by the City of Dallas data breach?
The report to HHS OCR lists 5,058 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Aug 3, 2023.
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 City of Dallas 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 City of Dallas.