Western Washington Medical Group
Disclosed Oct 26, 2023350,863 affectedConfirmed
The covered entity (CE), Western Washington Medical Group, reported that it was the subject of a ransomware attack that affected the protected health information (PHI) of 350,863 individuals. The PHI involved included names, addresses, Social Security numbers, dates of birth, claims information, and diagnoses. The CE notified HHS, the affected individuals, the media, and provided substitute notice. In response to the breach, the CE provided complimentary credit monitoring services and implemented additional administrative, technical, and security safeguards. Staff were retrained on the requirement to protect and secure PHI.
What is known
| People affected | 350,863 (as reported to HHS) |
|---|---|
| Disclosed | Oct 26, 2023 |
| Discovered | Sep 25, 2023 |
| Happened | Jul 7, 2023 |
| Attack | Ransomware |
| Data exposed | NamesHealth |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
Notices filed
Other breaches at Western Washington Medical Group
History of this record
First seen 2026-09-25 (California AG), confirmed by California AG. Record counts are as reported. Not legal advice.