HackingEducationEducationStolen CredentialsData ExfiltratedCustomer Data InvolvedDelayed DiscoveryIdentity (basic)Government IDMediumContained

Hinsdale New Hampshire School District/ SAU 92

bd_9220431064c22548 · schema v1 · pii pii-v1

Severity

Medium

Discovered

May 6, 2024

Filed

Jul 16, 2024

To disclose

10 weeks

Affected

647state residents only

Linked

4 filings

Confidence

65%

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

Hinsdale NH School District SAU 92 filed a supplemental breach notification with the NH Attorney General regarding unauthorized access to personal information of 647 NH residents. The incident occurred between Nov 2 and Dec 7, 2023, and was discovered on May 6, 2024. The district offered credit monitoring and notified affected individuals starting July 10, 2024.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 186 days

discovery → filing · 10 weeks / 71 days

Nov 2, 2023

Begins

May 6, 2024

Discovered

Jul 16, 2024

Filed

vs. sector median

+2 wks slower

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

Montana State AGbd_b96d6588798348db2024-07-11 · +5dVerified
New Hampshire State AGbd_f54fb84b1f820dfd2024-06-06 · +40dCandidate
Massachusetts State AGbd_a1addc17266db2492024-06-03 · +43dVerified

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: Jul 10, 2024
Affected individuals: 647state-resident count only
Data types: Identity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Regulator citations: Provided supplemental notification to the New Hampshire Office of the Attorney General
Initial access: valid_credentials

During the incident: Secured their environment
Commenced a prompt and thorough investigation working very closely with external cybersecurity professionals
Provided notice to the newly identified affected residents
Offered complimentary credit monitoring to the impacted residents
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: 10 weeks(71 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

Montana State AG+38d

New Hampshire State AG+43d · this page

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-92-20240716.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jul 16, 2024
Raw hash: 96f9e42c7aebf67963270d07a4e3b40855d7296d9434f3f5b8f0ed6776ea06d1

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