HackingEducationEducationStolen CredentialsData ExfiltratedCustomer Data InvolvedSupply Chain (3P Vendor)Identity (basic)Government IDMediumContained

Gibson County Special School District

bd_0d425ac01d790218 · schema v1 · pii pii-v2

Severity

Medium

Discovered

Jan 9, 2025

Filed

Apr 23, 2025

To disclose

—

Affected

1state residents only

Confidence

66%

Full breach record for Gibson County Special School District →

Gibson County Special School District (GCSSD) notified Nebraska AG that PowerSchool, a third-party software provider, experienced a security event between Dec 19-28, 2024. An unknown actor accessed and downloaded student and teacher data, including names and Social Security Numbers. GCSSD discovered the breach on Jan 9, 2025, and notified one Nebraska resident on April 23, 2025. Remediation includes 24 months of credit monitoring via Experian and policy reviews.

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Incident timeline

undetected · 21 days

Dec 19, 2024

Begins

Jan 9, 2025

Discovered

Apr 23, 2025

Filed

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.Confirmed1 affectedView incident

Name: Gibson County Special School District
norm: gibson county special school district

Name: Gibson County Special School District
norm: gibson county special school district
Industry: Educationllm

Discovered: Jan 9, 2025
Breach occurred: Dec 19, 2024 – Dec 28, 2024
Undetected for: 21 daysoccurrence → discovery
Materiality determined: —
Notification sent: Apr 23, 2025
Affected individuals: 1state-resident count only
Data types: Identity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1119 Automated Collection
Threat actor: External
Regulator citations: providing written notice of this event to relevant state regulators
Third party: via PowerSchool
Initial access: supply_chain

During the incident: Initiated an investigation
Reviewed the information provided by PowerSchool to identify any individuals whose personal information may have been affected
Offering twenty-four (24) months of credit monitoring and identity theft protection services through Experian
Providing impacted individuals with guidance on how to better protect against identity theft and fraud
Providing written notice of this event to relevant state regulators
Providing written notice of this event to the three major credit reporting agencies, Equifax, Experian, and TransUnion
Changes made: Reviewing our policies and procedures to further protect against similar events occurring in the future
Source: Quoted from the filing itself, not independently verified.

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://nebraska.gov/ago/data-breach/documents/608f6dc4-93cf-4c33-92af-739414d69e71.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Apr 23, 2025
Raw hash: daa563d74d731d942472b644608615b27793764b0a0ba2949498bc2d144facb2

Reporting entityGibson County Special School District

Victim entityGibson County Special School District

Incidentdiscovered Jan 9, 2025

Stated responseInitiated an investigation

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancenebraska.gov