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Fred Hutchinson Cancer Center

Disclosed May 25, 20224 years ago89,111 affectedConfirmed

Official notice

Fred Hutchinson Cancer Center, , the covered entity (CE), reported that an employee was the subject of an email phishing scheme that compromised the protected health information (PHI) of 89,111 individuals. The PHI involved included names, addresses, dates of birth, drivers’ license numbers, tax identification numbers, Social Security numbers, passport numbers, claims and financial information, health insurance information, diagnoses, lab results, medications, and other treatment information. The CE notified HHS, affected individuals, and the media. In its mitigation efforts, the CE provided complimentary credit monitoring and implemented additional administrative and technical safeguards. During the investigation, OCR provided the CE with technical assistance regarding the HIPAA Rules.

What is known

People affected89,111 (as reported to HHS)
DisclosedMay 25, 2022
DiscoveredMar 26, 2022
HappenedMar 25, 2022
AttackHacking
Data exposedNames, Health
SectorHealthcare · US
StatusConfirmed

Sources

Source
California Attorney General breach notice: Fred Hutchinson Cancer Centeroag.ca.gov · Official notice
Washington Attorney General breach notice: Fred Hutchinson Cancer Centeratg.wa.gov · Official notice
Oregon DOJ breach notice: Fred Hutchinson Cancer Centerjustice.oregon.gov · Official notice
HHS OCR breach report (archive, resolved): Fred Hutchinson Cancer Center (Healthcare Provider, WA)ocrportal.hhs.gov · Official notice

Notices filed

WhereFiledPeople
Washington AGresidents of WAMay 25, 202278,834
HHS archivetotalMay 25, 202289,111
California AGresidents of CAOct 20, 2022
Oregon DOJresidents of OROct 21, 202289,111

Other breaches at Fred Hutchinson Cancer Center

BreachAffected
Hackers steal patient files from Fred Hutch clinical networkDec 20, 20232 years agoHacking1.8M
History of this record
  • 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 89111 · backfill source
  • 2026-09-25 · summary: empty to Fred Hutchinson Cancer Center, , the covered entity (CE), reported that an employee was the subject of an email phishing scheme that compromised the protected health information (PHI) of 89,111 individuals. The PHI involved included names, · backfill source
  • 2026-09-25 · attack: unknown to hacking · backfill source
  • 2026-09-25 · disclosed: 2022-10-20 to 2022-05-25 · backfill source
  • 2026-09-25 · discovered: empty to 2022-03-26 · backfill source
  • 2026-09-25 · added · backfill source

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

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