HackingEducationEducationData MishandlingSupply Chain (3P Vendor)Customer Data InvolvedEmployee Data InvolvedIdentity (basic)Government IDEducationMediumActive

Cottonwood School District #242

bd_8db5783fc54e05e5 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Mar 10, 2025

Filed

Mar 11, 2025

To disclose

≤1 day

Affected

Not disclosed

Confidence

67%

Full breach record for Cottonwood School District #242 →

Cottonwood School District #242 reported a data security incident to the Idaho Attorney General on March 11, 2025. The breach originated from third-party vendor PowerSchool, which provides Student Information Systems. The incident exposed Idaho residents' names and Social Security numbers. Cottonwood engaged legal counsel and a forensic firm, and PowerSchool provided notice and credit monitoring to affected individuals.

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Incident timeline

discovery → filing · ≤1 day / 1 days

Mar 10, 2025

Discovered

Mar 11, 2025

Filed

vs. sector median

8 wks faster

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

Tracked as a single-filing incident — the only disclosure on record for this event so far.ConfirmedView incident

Name: ECKERT SEAMANS CHERIN & MELLOTT, LLC
norm: eckert seamans cherin mellott

Name: Cottonwood School District #242
norm: cottonwood school district 242
Industry: Educationllm

Discovered: Mar 10, 2025
Materiality determined: —
Notification sent: —
Affected individuals: Not disclosed
Data types: Government IDIdentity (basic)
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1195 Supply Chain Compromise
Threat actor: Partner
Regulator citations: Reporting a breach of the security of the system, pursuant to Idaho Code § 28-51-105(1)
Third party: via PowerSchool
Initial access: supply_chain

During the incident: Began an investigation with the assistance of legal counsel and a nationally recognized cyber security and digital forensics firm
PowerSchool has provided notice to impacted individuals on behalf of the Cottonwood
Offer of complimentary credit monitoring
Source: Quoted from the filing itself, not independently verified.

Time to disclose: ≤1 day(1 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

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.ag.idaho.gov/content/uploads/2025/03/Cottonwood120264775.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 11, 2025
Raw hash: b36dc13fd858357e9202f81607c038b8d0639c779b518c7967523a11e94f9929

Reporting entityECKERT SEAMANS CHERIN & MELLOTT, LLC

Victim entityCottonwood School District #242

Incidentdiscovered Mar 10, 2025

Stated responseBegan an investigation with the assistance of legal counsel and a nationally recognized cyber security and digital forensics firm

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancewww.ag.idaho.gov