United States of America
UnitedHealthcare is an organisation in Massachusetts. It appears on the Massachusetts Attorney General breach-notification register and the California Attorney General breach-notification register with 13 confirmed incidents; the most recent notice was filed on August 6, 2024.
Data as of September 6, 2026.
MA AG breach notification: 10 Massachusetts residents affected
sourceRequired 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.
MA AG breach notification: 61 Massachusetts residents affected
sourceCA AG breach notification: an unknown number of California residents affected
sourceRequired 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.
MA AG breach notification: 19,910 Massachusetts residents affected
sourceMA AG breach notification: 402 Massachusetts residents affected
sourceMA AG breach notification: 28 Massachusetts residents affected
sourceMA AG breach notification: 12 Massachusetts residents affected
sourceMA AG breach notification: 13 Massachusetts residents affected
sourceMA AG breach notification: 344 Massachusetts residents affected
sourceMA AG breach notification: 24 Massachusetts residents affected
source