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44 disclosed this week · 26,355 on record

California Cancer Associates for Research and Excellence - High Desert

Disclosed Jun 27, 202517,250 affectedConfirmed

Official notice

California Cancer Associates for Research and Excellence, the covered entity (CE) reported that employees of its business associate (BA) were the targets of an email phishing scheme that impacted the protected health information (PHI) of 17,250 individuals. The PHI involved demographic, financial, and treatment information. The BA notified HHS, affected individuals, and the media on behalf of the CE. OCR provided technical assistance regarding the HIPAA Rules. In its mitigation efforts, the CE and BA implemented additional administrative, technical, and security safeguards to better protect sensitive data.

What is known

People affected17,250 (as reported to HHS)
DisclosedJun 27, 2025
HappenedDec 13, 2024
AttackHacking
Data exposedNamesHealth
SectorHealthcare · US
StatusConfirmed

Sources

Notices filed

History of this record
attack2026-09-25
unknown to hackingby backfillSource
data_types2026-09-25
[] to ["names","health"]by backfillSource
records_basis2026-09-25
empty to hhsby backfillSource
records2026-09-25
empty to 17250by backfillSource
disclosed2026-09-25
2025-07-15 to 2025-06-27by backfillSource
summary2026-09-25
empty to California Cancer Associates for Research and Excellence, the covered entity (CE) reported that employees of its business associate (BA) were the targets of an email phishing scheme that impacted the protected health information (PHI) of 17by backfillSource
Added2026-09-25
First recordedby backfillSource

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

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