DisclosureLens
MICHIGANAccidentalHealthcareEducationHealthcareMisdeliveryCustomer Data InvolvedHealth (basic)Identity (basic)MediumResolved

University of Michigan/Michigan Medicine

bd_6a1ac0f4e1e4e394 · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Aug 13, 2025

To disclose

—

Affected

1,015

Confidence

97%
Full breach record for University of Michigan/Michigan Medicine →11 incidents on file

University of Michigan/Michigan Medicine reported to HHS on 2025-08-13 an Unauthorized Access/Disclosure affecting 1,015 individuals. An employee mailed a postcard that exposed PHI, including names, addresses, and diagnoses/conditions. Breached information was on paper/films. The CE notified HHS, affected individuals, and the media. Additional administrative and technical safeguards were implemented and staff were retrained.

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

Aug 13, 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.Confirmed1,015 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.