MICHIGANHackingHealthcareHealthcareBusiness Associate (HIPAA)Customer Data InvolvedPHIIdentity (basic)Health (basic)Medium
Mid Michigan Medical Billing Services
bd_5e5fe90142eea560 · schema v1 · pii pii-v1
Full breach record for Mid Michigan Medical Billing Services →Mid Michigan Medical Billing Service, Inc. reported to HHS on 2026-01-05 a Hacking/IT Incident affecting 28185 individuals. Breached information located on Network Server. Business associate present.
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Leak gap clock✗ Leak >180d
⚠ 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
Jan 5, 2026
Filed
No interval is drawn: no breach start or discovery date is on record for this filing.
This filing is one of 2 records about the same incident.View merged incident
A leak claim by qilin about this victim was first seen 282 days before this filing.View originating leak claim
Linked disclosures
Why this link?Ransomware claims (1)
- Leak Siteqilinbd_7ff02195445d359e2025-03-28 · +283dCandidate
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.