Every public data breach

44 disclosed this week · 26,355 on record

Washington State Health Care Authority

Disclosed Feb 9, 201691,187 affectedConfirmed

Official notice

A workforce member impermissibly emailed the protected health information (PHI) of 141,288 individuals to an unauthorized personal email account that belonged to another state employee related to the workforce member. The types of PHI involved in the breach included addresses, dates of birth, names, other identifiers, social security numbers, diagnoses, and other treatment information. The CE provided breach notification to HHS, affected individuals, and the media. Following the breach, the covered entity (CE), Washington State Health Care Authority, updated all relevant policies and procedures, implemented additional security measures, and retrained employees. The CE updated its access management program and hired new staff to focus solely on managing access to electronic systems. It also sanctioned the employee involved in the breach. OCR obtained written assurances that the CE implemented the corrective actions listed above.

What is known

People affected91,187 (as reported to HHS)
DisclosedFeb 9, 2016
AttackInsider
Data exposedNamesHealth
SectorInsurance · US
StatusConfirmed

Sources

Notices filed

History of this record
Added2026-09-25
First recordedby backfillSource

First seen 2026-09-25 (HHS archive), confirmed by HHS OCR. Record counts are as reported. Not legal advice.

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