US-MI — Hacking/IT Incident
Timeline
Litigation
- Case filed — docket on CourtListener
McLaren Health Care
healthcareHealthcareUnited States of America
McLaren Health Care is a healthcare organisation in United States of America. It appears on the HHS OCR breach portal, the Massachusetts Attorney General breach-notification register and the California Attorney General breach-notification register with 3 confirmed incidents; the most recent notice was filed on June 24, 2025.
Data as of September 1, 2026.
US-MA
Timeline
- June 20, 2025Reported to regulator Regulator
MA AG breach notification: 85 Massachusetts residents affected
source
What a Massachusetts notice means
Required under M.G.L. c. 93H. Notice to the Attorney General is required for a breach affecting any number of Massachusetts residents' personal information -- the statute sets no minimum count.
Note: the count is Massachusetts residents only, not a total.
US-CA
Timeline
- November 9, 2023Reported to regulator Regulator
CA AG breach notification: an unknown number of California residents affected
source
What a California notice means
Required under Cal. Civ. Code §1798.82. A copy of the notification must be sent to the Attorney General when a single breach requires notifying more than 500 California residents.
Note: no affected-count is published on this register.