DisclosureLens
TENNESSEEHackingHealthcareHealthcareCustomer Data InvolvedPHIHealth (basic)Identity (basic)Financial accountHighContained

Cookeville Regional Medical Center

bd_d9467eddf57f3004 · schema v1 · pii pii-v1

Severity

High

Discovered

—

Filed

Sep 12, 2025

To disclose

—

Affected

337,917

Confidence

68%
Full breach record for Cookeville Regional Medical Center →2 incidents on file

Cookeville Regional Medical Center reported to HHS on 2025-09-12 a Hacking/IT Incident affecting 337,917 individuals. Breached information located on Network Server. The cyberattack affected PHI including clinical, demographic, and financial information.

Leak gap clock⏱ Leak >30d
⚠ no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.
⚠ No discovery dateThe OCR public portal omits the discovery date, so the 60-day notification clock cannot be evaluated from this source — only that the filing was submitted.

Incident timeline — partial

? — ?

Breach window unknown

Sep 12, 2025

Filed

No interval is drawn: no breach start or discovery date is on record for this filing.

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed337,917 affectedView incident
A leak claim by rhysida about this victim was first seen 41 days before this filing.View originating leak claim

Evidence ladder

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filingThis record

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.