New Hampshire Historical Society
ent_7852b4bcae33f3785af8b943
Disclosures
5
State AG · 5 jurisdictions
Multi-filing incidents
1
incidents joining 2+ filings here
Max affected reported
87
nationwide · State AG IN
Leak-site claims
0
none in sample
Identity resolution
- Canonical name
- New Hampshire Historical Society
- Normalized
- new hampshire historical society— dedupe via name-norm; Microsoft / MSFT collapse to one row
- GLEIF LEI
- No match
- SEC EDGAR CIK
- None — not an SEC registrant
- Domain
- nhhs.org
Disclosure history (5)newest first
- Vermont State AGas victim2026-04-01
New Hampshire Historical Society notified Vermont AG on April 1, 2026, of a breach discovered February 13, 2026. Unauthorized access may have copied personal information. No fraud known. Credit monitoring offered.
- New Hampshire State AGas victim2026-04-01
New Hampshire Historical Society notified the NH Attorney General of a data event discovered on February 13, 2026. Unauthorized access resulted in the copying of names and Social Security numbers for 63 NH residents. The Society engaged forensic investigators and legal counsel, mailed notifications on April 1, 2026, and offered 12 months of credit monitoring via TransUnion/Cyberscout.
- Massachusetts State AGas victim2026-04-01
New Hampshire Historical Society notified Massachusetts residents of a cybersecurity incident in April 2026. The breach potentially exposed personal information including names, Social Security numbers, and dates of birth. The organization provided 24 months of free credit monitoring and fraud assistance through Cyberscout (a TransUnion company). No specific attack vector or affected count was disclosed.
- Indiana State AGas victim2026-04-01
New Hampshire Historical Society reported a data breach to the Indiana Attorney General. The breach occurred on 2026-02-13 and was reported on 2026-04-01. 1 Indiana residents were affected. 87 individuals affected in total.
- Maine State AGas victim2026-04-01
The New Hampshire Historical Society experienced an external system breach (hacking) on February 13, 2026, discovered on March 9, 2026. The incident affected 3 Maine residents, involving the exfiltration of names and government identifiers. The Society engaged forensic investigators, notified law enforcement, and provided 12 months of credit monitoring. Remediation included MFA implementation and security assessments.