HackingHealthcareHealthcareData ExfiltratedCustomer Data InvolvedDelayed DiscoveryPHIGovernment IDIdentity (basic)Health (basic)Financial accountMediumContained

The J. Arthur Trudeau Memorial Center

bd_eceefc42834aead4 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jan 29, 2026

Filed

Jul 15, 2026

To disclose

24 weeks

Affected

4state residents only

Linked

2 filings

Confidence

66%

Full breach record for The J. Arthur Trudeau Memorial Center →2 incidents on file

J. Arthur Trudeau Memorial Center, a provider of services for individuals with intellectual and developmental disabilities, reported unauthorized access to its network. Files containing PHI, SSNs, and financial data were exfiltrated between Jan 22-28, 2026. Suspicious activity was detected on Jan 29, 2026. Four New Hampshire residents were affected. The organization engaged forensic investigators, secured systems, reset passwords, and offered 12 months of credit monitoring via Kroll.

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Incident timeline

undetected · 7 days

discovery → filing · 24 weeks / 167 days

Jan 22, 2026

Begins

Jan 29, 2026

Discovered

Jul 15, 2026

Filed

vs. sector median

+15 wks slower

This filing is one of 2 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

Massachusetts State AGbd_7c54376890ffc6d72026-07-16 · +1dCandidate

Name: The J. Arthur Trudeau Memorial Center
norm: the j arthur trudeau memorial center
Domain: trudeaucenter.org

Name: The J. Arthur Trudeau Memorial Center
norm: the j arthur trudeau memorial center
Domain: trudeaucenter.org
Industry: Healthcarellm

Discovered: Jan 29, 2026
Breach occurred: Jan 22, 2026 – Jan 28, 2026
Undetected for: 7 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jul 15, 2026
Affected individuals: 4state-resident count only
Data types: PHIGovernment IDIdentity (basic)Health (basic)Financial account
Attack vector: Unauthorized Access
MITRE ATT&CK: T1041 Exfiltration Over C2 Channel
Threat actor: External
Regulator citations: Reporting to the Department of Health and Human Services’ Office for Civil Rights (OCR)Reporting to other state regulators, as required

During the incident: Took immediate action to secure its systems
Partnered with cyber security professionals to investigate the nature and scope of the incident
Reported the incident to federal law enforcement
Reset user passwords
Offering twelve (12) months of credit monitoring and proactive fraud assistance services through Kroll
Changes made: Reviewing its existing security controls and policies & procedures it has in place for additional ways to remain resilient against threats moving forward
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 24 weeks(167 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 2 filings · 2 states

View merged incident ↗

New Hampshire State AGJul 15 · first · this page

Massachusetts State AG+1d

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/j-arthur-trudeau-memorial-center-20260715.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jul 15, 2026
Raw hash: 6956577fd9a996a69cf07150770b7d7821d299078ce5bf94fe89f4b9c0899498

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityThe J. Arthur Trudeau Memorial Center

Victim entityThe J. Arthur Trudeau Memorial Center

Incidentdiscovered Jan 29, 2026

Stated responseTook immediate action to secure its systems

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov