Every public data breach

44 disclosed this week · 26,355 on record

Seattle Cancer Care Alliance

Disclosed Oct 16, 2019944 affectedConfirmed

Official notice

Seattle Cancer Care Alliance (SCCA), the covered entity (CE), reported that an employee emailed an invitation to a patient education event and exposed the email addresses of all patients involved. The breach affected 944 individuals. In response to the breach, the covered entity conducted an internal investigation and sanctioned all workforce members involved. SCCA notified OCR, all affected individuals, and the media. Additionally, SCCA revised its policies and procedures to include guidance pertaining to the secure transmission of email communications.

What is known

People affected944 (as reported to HHS)
DisclosedOct 16, 2019
AttackInsider
Data exposedNamesHealth
SectorHealthcare · 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.

Everything about Seattle Cancer Care Alliance