MalwareEducationGovernment IDIdentity (basic)MediumContained

Manhasset Union Free School District

bd_be1e02cd03ad6190 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Sep 14, 2021

Filed

Apr 20, 2022

To disclose

31 weeks

Affected

1state residents only

Linked

3 filings

Confidence

66%

Full breach record for Manhasset Union Free School District →2 incidents on file

Manhasset Union Free School District notified the NH Attorney General of a ransomware incident occurring Sept 10-14, 2021. One NH resident's name and SSN were accessed. Notice sent April 20, 2022. Credit monitoring offered.

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Leak gap clock⏱ Leak >90d31 weeks discovery → filing

⚠ unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Incident timeline

undetected · 4 days

discovery → filing · 31 weeks / 218 days

Sep 10, 2021

Begins

Sep 14, 2021

Discovered

Apr 20, 2022

Filed

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

A leak claim by vicesociety about this victim predates this filing by 104 days.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Sitevicesocietybd_9a250a49d19217462022-01-06 · +104dVerified by operator

Regulatory filings (1) · sorted by filing gap

Maine State AGbd_76987bc7ef98df232022-04-20Candidate

Name: Benjamin D. Wanger
norm: benjamin d. wanger

Name: Manhasset Union Free School District
norm: manhasset union free school district

Discovered: Sep 14, 2021
Breach occurred: Sep 10, 2021 – Sep 14, 2021
Undetected for: 4 daysoccurrence → discovery
Materiality determined: —
Notification sent: Apr 20, 2022
Affected individuals: 1state-resident count only
Data types: Government IDIdentity (basic)
Data elements: Social Security number
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: Notified New Hampshire Attorney General

During the incident: Engaged a cybersecurity firm to assist
Secured the network systems
Alerted law enforcement
Provided written notice via United States Postal Service First Class Mail to its employees
Offered a complimentary one-year membership in credit monitoring and identity theft protection services through IDX
Changes made: Implemented additional security measures to enhance the security of its environment
Continuing to train its employees concerning data security
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 31 weeks(218 days from discovery to filing)
Compliance flags: Leak >90d
Discovery-date grounding: unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 2 filings · 2 states

View merged incident ↗

Maine State AGApr 20 · first

New Hampshire State AGApr 20 · first · this page

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/manhasset-union-free-20220420.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Apr 20, 2022
Raw hash: 37ee6de6f7084fd73695f1609d574bc983f798aecc17dbc165d19b4551889009

Linked disclosures

Ransomware claims (1)

Regulatory filings (1) · sorted by filing gap

Reporting entityBenjamin D. Wanger

Victim entityManhasset Union Free School District

Incidentdiscovered Sep 14, 2021

Stated responseEngaged a cybersecurity firm to assist

ComplianceLeak >90d

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov