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47 disclosed this week · 26,367 on record

South Denver Cardiology Associates

Disclosed Mar 4, 2022287,652 affectedConfirmed

Official notice

The covered entity (CE), South Denver Cardiology Associates, reported that it was the subject of a ransomware attack that affected the protected health information (PHI) of 287,652 individuals. The PHI involved included names, addresses, dates of birth, drivers’ license and Social Security numbers, and diagnoses. The CE notified HHS, the affected individuals, the media, and provided substitute notice. In response to the breach, the CE provided complimentary credit monitoring services and implemented additional administrative, technical, and security safeguards.

What is known

People affected287,652 (as reported to HHS)
DisclosedMar 4, 2022
AttackHacking
Data exposedNamesHealth
SectorHealthcare · US
StatusConfirmed

Sources

Notices filed

History of this record
Added2026-09-25
First recordedby backfillSource

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

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