DisclosureLens
MICHIGANAccidentalHealthcareHealthcareMisdeliveryCustomer Data InvolvedHealth (basic)Financial accountIdentity (basic)MediumResolved

MUNSON HEALTHCARE

bd_68baf6ca5923eb32 · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Sep 17, 2025

To disclose

—

Affected

1,186

Confidence

97%
Full breach record for MUNSON HEALTHCARE →2 incidents on file

Munson Healthcare (MI) reported to HHS on 2025-09-17 that an employee mailed the PHI of 1,186 individuals to the wrong recipients. Breached information was on Paper/Films and included clinical and financial information. The CE notified HHS, affected individuals, and the media, and responded by implementing additional administrative, technical, and security safeguards and retraining workforce members.

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 17, 2025

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.Confirmed1,186 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.