Cyberattack on South Denver Cardiology Associates (SDCA) Affects 287,000 Patients

August 16, 2022


South Denver Cardiology Associates (SDCA) announced it was the victim of a cyberattack in January 2022. Files containing protected healthcare information of thousands of thousands of heart patients were accessed and potentially stolen by hackers. Unusual network activity was detected on January 4, 2022, and the SDCA breach response process was immediately initiated. Systems were isolated from the network and shut down. The breach has been reported to the HHS’ Office for Civil Rights as affecting up to 287,652 individuals.

Incident Date

January 4, 2022

Estimated Cost


Type of Malware

Threat Source

No threat source identified