DisclosureLens
UnknownHealthcareHealthcareIdentity (basic)Government IDPHIHealth (basic)Critical

Cookeville Regional Medical Center

bd_6daf9b18a85b8248 · schema v1 · pii pii-v1

Severity

Critical

Discovered

Mar 16, 2026

Filed

Apr 17, 2026

To disclose

5 weeks

Affected · nationwide

337,917529 in this filing

Linked

6 records

Confidence

95%
Full breach record for Cookeville Regional Medical Center →2 incidents on file

Cookeville Regional Medical Center based in Cookeville, Tennessee, a healthcare – medical provider entity reported a data breach to the Texas Attorney General. The breach was discovered on 2026-03-16 and reported on 2026-04-17. 529 Texas residents were affected. 337,917 individuals affected in total. Types of information involved: Name of individual;Address;Social Security Number Information;Driver’s License number;Government-issued ID number (e.g. passport, state ID card);Medical Information;Health Insurance Information;Date of Birth. Consumers were notified via U.S. Mail.

Leak gap clock✗ Leak >180d5 weeks discovery → filing
⚠ AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Incident timeline

undetected · 248 days
discovery → filing · ≤ 5 weeks / 32 days

Jul 11, 2025

Begins

Mar 16, 2026

Discovered

Apr 17, 2026

Filed

vs. sector median

5 wks faster

This filing is one of 6 records about the same incident.View merged incident
A leak claim by rhysida about this victim was first seen 258 days before this filing.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Regulatory filings (4) · sorted by filing gap

Filing propagation · 5 filings · 5 states

View merged incident ↗
Maine State AGApr 14 · first
Massachusetts State AGApr 14 · first
Nebraska State AGApr 14 · first
New Hampshire State AGApr 14 · first
Texas State AG+3d · 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.