Every public data breach

44 disclosed this week · 26,355 on record

Cancer Treatment Centers of America at Southeastern Regional Medical Center

Disclosed May 10, 201916,819 affectedConfirmed

Official notice

The covered entity (CE), Cancer Treatment Centers of America at Southeastern Regional Medical Center, reported that several employees were the victims of an email phishing scheme that affected the electronic protected health information (ePHI) of 3,290 individuals. The ePHI involved included names, Social Security numbers, telephone numbers, addresses, dates of birth, financial information, health insurance information and clinical information. The CE notified HHS, affected individuals, the media, and posted substitute notice on its website. In response to the breach, the CE implemented additional technical and security safeguards and retrained its employees on recognizing and responding to fraudulent email communications. OCR obtained assurances that the CE implemented the corrective actions noted.

What is known

People affected16,819 (as reported to HHS)
DisclosedMay 10, 2019
DiscoveredJul 29, 2019
HappenedJul 22, 2019
AttackHacking
Data exposedNamesGovernment IDsHealth
SectorHealthcare · US
StatusConfirmed

Sources

Notices filed

History of this record
records2026-09-25
4559 to 16819by backfillSource
disclosed2026-09-25
2019-05-15 to 2019-05-10by backfillSource
records2026-09-25
3290 to 4559by backfillSource
attack2026-09-25
unknown to hackingby backfillSource
data_types2026-09-25
["names","government-id"] to ["names","government-id","health"]by backfillSource
records_basis2026-09-25
empty to hhsby backfillSource
records2026-09-25
empty to 3290by backfillSource
summary2026-09-25
empty to The covered entity (CE), Cancer Treatment Centers of America at Southeastern Regional Medical Center, reported that several employees were the victims of an email phishing scheme that affected the electronic protected health information (ePby backfillSource
data_types2026-09-25
[] to ["names","government-id"]by backfillSource
disclosed2026-09-25
2019-07-15 to 2019-05-15by backfillSource
disclosed2026-09-25
2019-09-27 to 2019-07-15by backfillSource
Added2026-09-25
First recordedby backfillSource

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

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