HackingEducationEducationStolen CredentialsSupply Chain (3P Vendor)Customer Data InvolvedIdentity (basic)Government IDMediumContained

Robertson County School System

bd_05c47b77badbc2fb · schema v1 · pii pii-v2

Severity

Medium

Discovered

—

Filed

Aug 15, 2025

To disclose

—

Affected

2state residents only

Linked

4 filings

Confidence

66%

Full breach record for Robertson County School System →

Robertson County School System notified Nebraska AG that PowerSchool, a third-party software provider, experienced a security event between Dec 19-28, 2024. Unknown actors accessed and downloaded student/teacher data, including names and Social Security numbers. The school system investigated, implemented safeguards, and provided 24 months of credit monitoring via Experian to affected individuals. Written notice was sent to 2 Nebraska residents on Aug 15, 2025.

J jump to incidentP pin to compareR raw source

Incident timeline

Dec 19, 2024

Begins

Aug 15, 2025

Filed

This filing is one of 4 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 (3) · sorted by filing gap

Massachusetts State AGbd_11cbf894e6cd4d8f2025-08-15Verified
Maine State AGbd_867fd1236b45473f2025-08-15Candidate
Indiana State AGbd_97a57439fbb5ca842025-08-15Verified

Name: Robertson County School System
norm: robertson county school system

Name: Robertson County School System
norm: robertson county school system
Industry: Educationllm

Discovered: —
Breach occurred: Dec 19, 2024 – Dec 28, 2024
Materiality determined: —
Notification sent: Aug 15, 2025
Affected individuals: 2state-resident count only
Data types: Identity (basic)Government ID
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1195 Supply Chain Compromise
Threat actor: External
Regulator citations: Providing written notice of this incident to relevant state regulators
Third party: via PowerSchool
Initial access: supply_chain

During the incident: Initiated an investigation to determine what happened and what information was affected
Assessed the security of Robertson County systems
Identified potentially affected individuals
Working to implement additional safeguards and training to its employees
Providing access to credit monitoring services for twenty-four (24) months, through Experian
Providing impacted individuals with guidance on how to better protect against identity theft and fraud
Providing written notice of this incident to relevant state regulators
Providing written notice 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.

Filing propagation · 4 filings · 4 states

View merged incident ↗

Massachusetts State AGAug 15 · first

Maine State AGAug 15 · first

Indiana State AGAug 15 · first

Nebraska State AGAug 15 · 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://nebraska.gov/ago/data-breach/documents/17c08d3f-f765-43c4-b2b3-76a8b425b307.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 15, 2025
Raw hash: 55d7e28ad91f4946374398e4f3127cd107728ef15c573434b515773bc3e5186c

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityRobertson County School System

Victim entityRobertson County School System

IncidentThird-Party / Supply Chain

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

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancenebraska.gov