HackingOtherCustomer Data InvolvedIdentity (basic)LowContained

Hillwood Estate, Museum & Gardens

bd_8946b43ad5873713 · schema v1 · pii pii-v1

Severity

Low

Discovered

Sep 17, 2023

Filed

Dec 26, 2023

To disclose

14 weeks

Affected

1state residents only

Linked

3 filings

Confidence

66%

Full breach record for Hillwood Estate, Museum & Gardens →

Hillwood Estate, Museum & Gardens notified New Hampshire AG of a data breach where an unknown party accessed the network between Aug 28 and Sep 17, 2023. Discovered Sep 17, 2023. One NH resident and two RI residents impacted. Basic PII (address) exposed. Notification sent Dec 21, 2023.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 20 days

discovery → filing · 14 weeks / 100 days

Aug 28, 2023

Begins

Sep 17, 2023

Discovered

Dec 26, 2023

Filed

vs. sector median

+6 wks slower

This filing is one of 3 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

Massachusetts State AGbd_cbca388568151b992023-12-22 · +4dVerified
Vermont State AGbd_42f00e4a494e00312023-12-21 · +5dCandidate

Name: Hillwood Estate, Museum & Gardens
norm: hillwood estate museum gardens
Domain: hillwoodmuseum.org

Name: Hillwood Estate, Museum & Gardens
norm: hillwood estate museum gardens
Domain: hillwoodmuseum.org
Industry: Otherllm

Discovered: Sep 17, 2023
Breach occurred: Aug 28, 2023 – Sep 17, 2023
Undetected for: 20 daysoccurrence → discovery
Materiality determined: —
Notification sent: Dec 21, 2023
Affected individuals: 1state-resident count only
Data types: Identity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Regulator citations: Notified law enforcement

During the incident: Conducted an investigation
Reviewed its policies and procedures related to data protection
Notified law enforcement
Provided notice to the potentially impacted individual on December 21, 2023, via U.S. mail
Offering the potentially impacted individual complimentary credit monitoring and identity protection services
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 14 weeks(100 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

Vermont State AGDec 21 · first

Massachusetts State AG+1d

New Hampshire State AG+5d · this page

Pattern: first filing Dec 21 (VT), last Dec 26 (NH) — a 5-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Evidence ladder

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filingThis record

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.

Source URL: https://mm.nh.gov/files/uploads/doj/remote-docs/hillwood-estate-museum-gardens-20231226.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 26, 2023
Raw hash: ec941485136424c63cc0e00a09d5483f714e228af9eaf39cc91070b5eddf74f6

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityHillwood Estate, Museum & Gardens

Victim entityHillwood Estate, Museum & Gardens

Incidentdiscovered Sep 17, 2023

Stated responseConducted an investigation

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov