HHS OCR report ยท 2022
Delta Dental of Washington data breach
OCR report facts
- Covered entity
- Delta Dental of Washington
- Entity type
- Health Plan
- State
- Washington
- Individuals affected
- 6,361
- Submission date
- Sep 30, 2022
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Network Server
- Business associate present
- Yes
- Status
- Archive (closed)
OCR description
The covered entity (CE), Delta Dental of Washington, reported that its business associate (BA) was the subject of a ransomware attack that affected the protected health information (PHI) of 6,361 individuals. The PHI involved included names and addresses. The CE notified HHS, affected individuals, and the media. In response to the breach, the CE provided complimentary credit monitoring services and ended its business relationship with the BA.
Text as published on the HHS OCR breach portal.
Frequently asked questions
How many people were affected by the Delta Dental of Washington data breach?
The report to HHS OCR lists 6,361 individuals affected.
When was it reported to HHS?
It was submitted to HHS OCR on Sep 30, 2022.
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 Delta Dental of Washington 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 Delta Dental of Washington.