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Integrated Oncology Network

Disclosed Jun 27, 20251 year ago4,174 affectedConfirmed

Official notice

The Business Associate (BA), Integrated Oncology Network, reported that employees were the targets of an email phishing scheme that affected the PHI of 4,174 individuals. The PHI involved demographic, clinical, and treatment information. The BA notified the Covered Entities, HHS, the affected individuals, the media and posted substitute notice. In response to the breach, the BA ensured that no unauthorized mailbox rules, forwarding settings, or persistence mechanisms existed in the email tenant, initiated a global password reset for its email tenant, implemented multifactor authentication for all email accounts, verbally counseled affected employees, implemented workforce training and simulated phishing tests, and reevaluated its administrative, technical, and workforce training controls.

What is known

People affected4,174 (as reported to HHS)
DisclosedJun 27, 2025
AttackHacking
Data exposedNames, Health
SectorHealthcare · US
StatusConfirmed

Sources

Notices filed

WhereFiledPeople
HHS archivetotalJun 27, 20254,174
History of this record
  • 2026-09-25 · added · backfill source

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

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