DisclosureLens
MalwareHealthcareHealthcareRansomwareData EncryptedCustomer Data InvolvedRansom DemandedPIIIdentity (basic)HighContained

Cookeville Regional Medical Center

bd_276e5eca9296aab3 · schema v1 · pii pii-v1

Severity

High

Discovered

Jul 14, 2025

Filed

Apr 14, 2026

To disclose

39 weeks

Affected · nationwide

337,91722 in this filing

Linked

6 filings

Confidence

65%
Full breach record for Cookeville Regional Medical Center →3 incidents on file

Cookeville Regional Medical Center experienced a ransomware attack between July 11 and July 14, 2025. The incident compromised personal information of 337,917 individuals, including 22 Maine residents. The organization engaged forensic investigators, notified law enforcement, and offered 12 months of Experian identity protection services to affected individuals.

Maine clockDiscovered Jul 14, 2025 → Filed with AG Apr 14, 2026274d ✗ ME AG >90d39 weeks discovery → filing
⚠ unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Incident timeline

undetected · 3 days
discovery → filing · 39 weeks / 274 days

Jul 11, 2025

Begins

Jul 14, 2025

Discovered

Apr 14, 2026

Filed

vs. sector median

+27 wks slower

This filing is one of 6 about the same incident.View merged incident
A leak claim by rhysida about this victim predates this filing by 275 days.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (2)

Regulatory filings (3) · sorted by filing gap

Filing propagation · 4 filings · 4 states

View merged incident ↗
Massachusetts State AGApr 14 · first
Nebraska State AGApr 14 · first
New Hampshire State AGApr 14 · first
Maine State AGApr 14 · first · this page

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.