- State
- WA
- Covered entity type
- Health Plan
- Individuals affected
- 6,361
- Business associate present
- Yes
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Network Server
- First seen by InfoSec Signals
- Sep 23, 2026
- Last seen in OCR export
- Oct 25, 2026
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.
Change history
- Sep 23, 2026Added to OCR's archive list
Source: HHS OCR Breach Portal, U.S. Department of Health and Human Services, Office for Civil Rights about this source
Records are reproduced as published; entity names and figures are OCR's.