United States of America
Hospital Sisters Health System is an organisation in Washington. It appears on the Massachusetts Attorney General breach-notification register and the Washington State Attorney General breach-notification register with 2 confirmed incidents; the most recent notice was filed on February 6, 2025.
Data as of September 1, 2026.
Required under RCW 19.255.010. Notice to the Attorney General is required when a breach affects more than 500 Washington residents.
Note: the count is Washington residents only, not a total.
MA AG breach notification: 146 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.