DisclosureLens
UnknownOtherIdentity (basic)Government IDPHIHealth (basic)High

Mountrail County Medical Center

bd_519be9d0a2d99145 · schema v1 · pii pii-v2

Severity

High

Discovered

Jun 26, 2026

Filed

Oct 16, 2026

To disclose

16 weeks

Affected · nationwide

24,447456 in this filing

Confidence

95%
Full breach record for Mountrail County Medical Center →2 incidents on file

Mountrail County Medical Center based in Stanley, North Dakota, a healthcare – medical provider entity reported a data breach to the Texas Attorney General. The breach was discovered on 2026-06-26 and reported on 2026-10-16. 456 Texas residents were affected. 24,447 individuals affected in total. Types of information involved: Name of individual;Social Security Number Information;Medical Information;Date of Birth. Consumers were notified via U.S. Mail.

Texas clock✗ TX AG >30d16 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

discovery → filing · ≤ 16 weeks / 112 days

Jun 26, 2026

Discovered

Oct 16, 2026

Filed

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed24,447 affectedView incident

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.