MCLAREN HEALTH CARE CORPORATION
bd_8d2f2b3098afeb79 · schema v1 · pii pii-v1
Full breach record for MCLAREN HEALTH CARE CORPORATION →4 incidents on fileMcLaren Health Care experienced unauthorized access to its network between July 28, 2023, and August 23, 2023. The organization became aware of suspicious activity on August 22, 2023. The breach potentially impacted patient information including names, Social Security numbers, health insurance details, dates of birth, and medical records such as diagnoses and treatment information. McLaren engaged third-party forensic specialists, secured its network, and is implementing additional administrative and technical safeguards. Identity theft protection services are being offered to affected individuals.
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Incident timeline
Jul 28, 2023
Begins
Aug 22, 2023
Discovered
Nov 9, 2023
Filed
vs. sector median
1 wks faster
Linked disclosures
Why this link?Ransomware claims (2)
- Leak Sitealphvbd_6326acdfc9de458a2023-10-04 · +35dVerified by operator
- Leak Sitealphvbd_c4b2c0198b70501e2023-09-29 · +40dVerified
Regulatory filings (7) · sorted by filing gap
- Montana State AGbd_bd9b0633195a292f2023-11-09Verified by operator
- Maine State AGbd_c24689bd6cff46e02023-11-09Verified
- Massachusetts State AGbd_ddb258a8d643b7952023-11-09Verified by operator
- New Hampshire State AGbd_e2978f252f8567182023-11-09Verified by operator
Show 3 more filings ↓Show fewer ↑up to 20d gap
- Idaho State AGbd_e37f582cfe47b0242023-11-09Verified by operator
- Vermont State AGbd_ed0fb31e367c93232023-11-09Verified by operator
- HHS OCRbd_18c5455f0815045b2023-10-20 · +20dVerified
Filing propagation · 8 filings · 8 states
View merged incident ↗Pattern: first filing Oct 20 (MI), last Nov 9 (CA) — a 20-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?
Evidence ladder
Attacker assertion only. Establishes: claim date, group, alleged victim.
Unlocks: incident narrative, operational impact. Still no compliance clock.
Unlocks: discovery date, data types, affected count, compliance clock.
Unlocks: materiality, stated response, full audit trail. Ceiling removed.