The New Hampshire Historical Society experienced a data breach that occurred on February 13, 2026, and was discovered on March 9, 2026. The breach was described as an external system breach (hacking). The organization reported the incident to the Maine Attorney General on April 1, 2026.
The breach involved the exposure of names or other personal identifiers. The number of Maine residents affected was 3. The total number of people affected, including residents outside of Maine, has not been disclosed. Identity theft protection services, specifically 12 months of proactive fraud assistance from Cyberscout/TransUnion, were offered to affected individuals. The types of data exposed were not detailed beyond "Name or other personal identifier."
Details can emerge later as investigations continue, and notifications may be delayed.