Cancer Treatment Centers of America at Midwestern Regional Medical Center
Disclosed Mar 19, 2021104,808 affectedConfirmed
Cancer Treatment Centers of America at Midwestern Regional Medical 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 104,808 individuals. The PHI involved included names, medical record numbers, health insurance information, and treatment information. The CE notified HHS, affected individuals, the media, and posted substitute notice on its website. In its mitigation efforts, the CE implemented additional administrative, technical, and security safeguards to better protect its sensitive data. All staff were retrained.
What is known
| People affected | 104,808 (as reported to HHS) |
|---|---|
| Disclosed | Mar 19, 2021 |
| Discovered | Jan 18, 2021 |
| Happened | Jan 12, 2021 |
| Attack | Hacking |
| Data exposed | NamesHealth |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
Notices filed
History of this record
First seen 2026-09-25 (California AG), confirmed by California AG. Record counts are as reported. Not legal advice.
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