DisclosureLens
MICHIGANHackingHealthcareHealthcareCustomer Data InvolvedPHIHealth (basic)Identity (basic)MediumContained

University of Michigan/Michigan Medicine

bd_3e7e1b218546c5e5 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Filed

Sep 26, 2024

To disclose

Affected

57,891

Confidence

68%
Full breach record for University of Michigan/Michigan Medicine11 incidents on file

University of Michigan/Michigan Medicine reported to HHS on 2024-09-26 a Hacking/IT Incident affecting 57,891 individuals. Breached information located on Email. PHI involved names and diagnoses/conditions. The entity changed passwords, strengthened requirements, implemented technical safeguards, revised policies, sanctioned staff, and provided training.

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 26, 2024

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.Confirmed57,891 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.