HackingEducationEducationStolen CredentialsSupply Chain (3P Vendor)Data ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDHighContained

Lewis County School District

bd_3fcaaf8f708abb84 · schema v1 · pii pii-v1

Severity

High

Discovered

Jan 8, 2025

Filed

Mar 12, 2025

To disclose

26 days

Affected · nationwide

1,9692 in this filing

Linked

2 filings

Confidence

66%

Full breach record for Lewis County School District →

Lewis County School District (LCSD) notified the Maine AG of a data breach involving student and teacher data hosted by third-party provider PowerSchool. The incident occurred between Dec 19-28, 2024, and was discovered on Feb 14, 2025. Affected data included names and Social Security numbers. 1,969 individuals were affected, including 2 Maine residents. Notices were sent on March 12, 2025, offering 24 months of credit monitoring.

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Maine clockDiscovered Jan 8, 2025 → Filed with AG Mar 12, 202563d ⏱ ME AG >30d26 days 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 · 20 days

discovery → filing · 9 weeks / 63 days

Dec 19, 2024

Begins

Jan 8, 2025

Discovered

Mar 12, 2025

Filed

vs. sector median

5 wks faster

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

Part of PowerSchool supply-chain incident (2025) — a supply-chain cascade affecting multiple organizations.View cascade →

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

Indiana State AGbd_81a0d4025c3c24db2025-03-12Verified

Name: Mullen Coughlin LLC
norm: mullen coughlin

Name: Lewis County School District
norm: lewis county school district
Industry: Educationllm

Discovered: Jan 8, 2025
Breach occurred: Dec 19, 2024 – Dec 28, 2024
Undetected for: 20 daysoccurrence → discovery
Materiality determined: —
Notification sent: Mar 12, 2025
Affected individuals: 1,969state + nationwide
Data types: Identity (basic)Government ID
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1078 Valid AccountsT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: Filed notification with the Maine Attorney General
Third party: via PowerSchool
Initial access: supply_chain

During the incident: Initiated an investigation to determine what happened and what information was affected
Confirmed the security of LCSD’s data hosted by PowerSchool
Identified potentially affected individuals
Provided written notice to affected individuals
Provided impacted individuals with guidance on how to better protect against identity theft and fraud
Changes made: Reviewing its policies and procedures to further protect against similar events occurring in the future
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 26 days(26 days from discovery to filing)
Compliance flags: ME AG >30d · 63d
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.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: Jan 8, 2025
→ Filed with AG: Mar 12, 2025
63d 30 days (soft) ME AG >30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Jan 8, 2025 → Filed with AG: Mar 12, 2025	63d	30 days (soft)	ME AG >30d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 2 filings · 2 states

View merged incident ↗

Indiana State AGMar 12 · first

Maine State AGMar 12 · 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://www.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/c567cc65-7bb0-4c40-a675-36c5ee5c5b17.html
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 12, 2025
Raw hash: f7577888b4422c8f6809c093b681b158c420ea14d7ab4262ed15c70f9c8a0324

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityMullen Coughlin LLC

Victim entityLewis County School District

Incidentdiscovered Jan 8, 2025

Stated responseInitiated an investigation to determine what happened and what information was affected

ComplianceME AG >30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov