HackingEducationEducationStolen CredentialsCapture Stored DataData ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDMediumContained

Mars Area School District

bd_2530a702013b3b44 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Mar 20, 2023

Filed

May 1, 2023

To disclose

6 weeks

Affected

1state residents only

Linked

6 filings

Confidence

64%

Full breach record for Mars Area School District →

Mars Area School District notified the NH AG of unauthorized network access between Jan 27 and Sep 26, 2022. The district discovered on March 20, 2023 that files containing a New Hampshire resident's name and SSN were removed. The incident is contained; law enforcement was notified. One resident was affected.

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Leak gap clock✗ Leak >180d6 weeks discovery → filing

Incident timeline

undetected · 417 days

discovery → filing · 6 weeks / 42 days

Jan 27, 2022

Begins

Mar 20, 2023

Discovered

May 1, 2023

Filed

vs. sector median

3 wks faster

This filing is one of 6 about the same incident.View merged incident

A leak claim by vicesociety about this victim predates this filing by 190 days.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Sitevicesocietybd_ee4462776aac983b2022-10-23 · +190dVerified by operator

Regulatory filings (4) · sorted by filing gap

Massachusetts State AGbd_412a01993de0c6492023-04-24 · +7dVerified by operator
HHS OCRbd_99980afc74211b5c2023-04-24 · +7dVerified
Montana State AGbd_a406f56a4ad726742023-04-24 · +7dVerified by operator
Montana State AGbd_aaf6ff56f355050b2022-11-02 · +180dVerified by operator

Name: Mars Area School District
norm: mars area school district

Name: Mars Area School District
norm: mars area school district
Industry: Educationllm

Discovered: Mar 20, 2023
Breach occurred: Jan 27, 2022 – Sep 26, 2022
Undetected for: 417 daysoccurrence → discovery
Materiality determined: —
Notification sent: Apr 24, 2023
Affected individuals: 1state-resident count only
Data types: Identity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: Notified law enforcement
Initial access: valid_credentials

During the incident: Contained the threat by disabling all unauthorized access to the network and restoring systems as needed
Notified law enforcement
Started a thorough investigation of the matter alongside external cybersecurity professionals
Offering complimentary credit monitoring to the impacted resident
Changes made: Continually evaluate and modify our practices and internal controls to enhance the security and privacy of your personal information
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 6 weeks(42 days from discovery to filing)
Compliance flags: Leak >180d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 5 filings · 4 states

View merged incident ↗

Montana State AGNov 2 · first

Massachusetts State AG+173d

HHS OCR+173d

Montana State AG+173d

New Hampshire State AG+180d · this page

Pattern: first filing Nov 2 (MT), last May 1 (NH) — a 180-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/mars-area-school-district-20230501.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 1, 2023
Raw hash: f5c9ce1781156c41a0d7f7345d5350013c3e5e2ded59ada5580092c71cd5a1b0

Linked disclosures

Ransomware claims (1)

Regulatory filings (4) · sorted by filing gap

Reporting entityMars Area School District

Victim entityMars Area School District

Incidentdiscovered Mar 20, 2023

Stated responseContained the threat by disabling all unauthorized access to the network and restoring systems as needed

ComplianceLeak >180d

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov