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.
2026-09-25 · data_types: [] to ["names","health"] · backfill source
2026-09-25 · records_basis: empty to hhs · backfill source
2026-09-25 · records: empty to 350863 · backfill source
2026-09-25 · disclosed: 2023-11-08 to 2023-10-26 · backfill source
2026-09-25 · summary: empty to 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, Soci · backfill source
2026-09-25 · attack: unknown to ransomware · backfill source
2026-09-25 · discovered: empty to 2023-09-25 · backfill source