HackingEducationEducationStolen CredentialsData ExfiltratedCustomer Data InvolvedDelayed DiscoveryGovernment IDIdentity (basic)MediumContained

Hinsdale New Hampshire School District/ SAU 92

bd_f54fb84b1f820dfd · schema v1 · pii pii-v1

Severity

Medium

Discovered

May 6, 2024

Filed

Jun 6, 2024

To disclose

4 weeks

Affected

89state residents only

Linked

4 filings

Confidence

66%

Full breach record for Hinsdale New Hampshire School District/ SAU 92 →

Hinsdale New Hampshire School District SAU 92 notified the NH Attorney General of a network security incident affecting 89 NH residents. Unauthorized access occurred between Nov 2, 2023, and Dec 7, 2023. The district discovered the breach on May 6, 2024, after a forensic investigation. Personal information, including SSNs and basic identity data, was potentially accessed. The district offered credit monitoring and identity protection services to affected residents starting May 28, 2024.

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Incident timeline

undetected · 186 days

discovery → filing · 4 weeks / 31 days

Nov 2, 2023

Begins

May 6, 2024

Discovered

Jun 6, 2024

Filed

vs. sector median

4 wks faster

This filing is one of 4 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Massachusetts State AGbd_a1addc17266db2492024-06-03 · +3dVerified
Montana State AGbd_b96d6588798348db2024-07-11 · +35dVerified
New Hampshire State AGbd_9220431064c225482024-07-16 · +40dVerified

Name: MCDONALD HOPKINS LLC
norm: mcdonald hopkins

Name: Hinsdale New Hampshire School District/ SAU 92
norm: hinsdale new hampshire school district sau 92
Industry: Educationllm

Discovered: May 6, 2024
Breach occurred: Nov 2, 2023 – Dec 7, 2023
Undetected for: 186 daysoccurrence → discovery
Materiality determined: —
Notification sent: May 28, 2024
Affected individuals: 89state-resident count only
Data types: Government IDIdentity (basic)
Data elements: Social Security number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Initial access: valid_credentials

During the incident: Secured their environment
Commenced a prompt and thorough investigation working very closely with external cybersecurity professionals
Conducted an extensive forensic investigation and document review
Provided notice to the affected residents commencing on May 28, 2024
Offered complimentary credit monitoring to the impacted residents who had their Social Security number impacted
Advised affected residents to remain vigilant in reviewing financial account statements
Advised affected residents about the process for placing a fraud alert and/or security freeze on their credit files
Provided contact information for consumer reporting agencies and the Federal Trade Commission
Changes made: Continually evaluates and modifies its practices to enhance the security and privacy of the personal information it maintains
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 4 weeks(31 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 3 states

View merged incident ↗

Massachusetts State AGJun 3 · first

New Hampshire State AG+3d · this page

Montana State AG+38d

New Hampshire State AG+43d

Pattern: first filing Jun 3 (MA), last Jul 16 (NH) — a 43-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/hinsdale-new-hampshire-school-district-sau-92-20240606.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jun 6, 2024
Raw hash: 70eb4044865156b13b3faed3dea05a465cb83c724f883e66b79eefcea15a32b9

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityMCDONALD HOPKINS LLC

Victim entityHinsdale New Hampshire School District/ SAU 92

Incidentdiscovered May 6, 2024

Stated responseSecured their environment

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov