DisclosureLens
ARIZONAMalwareHealthcareHealthcareRansomwareData EncryptedCustomer Data InvolvedPHIHealth (basic)Identity (basic)Government IDFinancial accountHighContained

Mt. Graham Regional Medical Center

bd_10ea36548f25e375 · schema v1 · pii pii-v1

Severity

High

Discovered

—

Filed

Sep 29, 2023

To disclose

—

Affected

35,688

Confidence

69%
Full breach record for Mt. Graham Regional Medical Center →

Mt. Graham Regional Medical Center reported to HHS on 2023-09-29 a Hacking/IT Incident affecting 35,688 individuals. Breached information located on Network Server. The incident involved a ransomware attack compromising PHI including names, addresses, SSN, driver's license numbers, birthdates, financial information, and treatment information. The CE implemented additional administrative, technical, and security safeguards.

HIPAA clock✓ HHS notified
⚠ 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 29, 2023

Filed

—

No filing yet · watching

Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed35,688 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.