TTPwire Vol. 1 · MITRE ATT&CK·Tagged

← All stories

Infosecurity Magazine

Cookeville Medical Center Notifies Patients After July 2025 Ransomware Attack

2026-04-16 · Read original ↗

ATT&CK techniques detected

4 predictions
T1486Data Encrypted for Impact
95%
"cookeville medical center notifies patients after july 2025 ransomware attack more than 337, 000 patients of cookeville regional medical center ( crmc ) in tennessee have been notified that their personal and medical data was compromised in a july 2025 ransomware attack, the hosp…"
T1486Data Encrypted for Impact
88%
"##5, $ 662, 000 demand - heart south cardiovascular group ( al ), november 2025, $ 630, 000 demand rebecca moody, head of data research at comparitech, said the lengthy investigation timeline reflects the scale of forensic work required after a hospital ransomware hit. " it can t…"
T1486Data Encrypted for Impact
69%
"of birth, social security numbers, driver ' s license numbers, financial account details, medical record numbers, treatment information and health insurance data. crmc, which serves around 250, 000 patients annually across 14 counties in the upper cumberland region, is offering 1…"
T1657Financial Theft
39%
"of birth, social security numbers, driver ' s license numbers, financial account details, medical record numbers, treatment information and health insurance data. crmc, which serves around 250, 000 patients annually across 14 counties in the upper cumberland region, is offering 1…"

Summary

Tennessee's CRMC notifies over 337,000 patients of Rhysida ransomware breach exposing sensitive data