private companyHealthcareUnited States of America
Blue Shield of California is a healthcare organisation in California. It appears on the HHS OCR breach portal, 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 July 21, 2025.
Data as of August 31, 2026.
CA 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.
CA AG breach notification: an unknown number of California residents affected
sourceReported with a business associate involved (HHS portal)
HHS OCR breach portal listing: Unauthorized Access/Disclosure; Email
sourceCA AG breach notification: an unknown number of California residents affected
sourceReported with a business associate involved (HHS portal)
HHS OCR breach portal listing: Unauthorized Access/Disclosure; Other
sourceCA AG breach notification: an unknown number of California residents affected
sourceCA AG breach notification: an unknown number of California 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.
CA AG breach notification: an unknown number of California residents affected
sourceCA AG breach notification: an unknown number of California residents affected
sourceCA AG breach notification: an unknown number of California residents affected
sourceCA AG breach notification: an unknown number of California residents affected
sourceCA AG breach notification: an unknown number of California residents affected
source