HackingEducationEducationStolen CredentialsData ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDFinancial accountHighContained

Butte School District

bd_e9eb297af8adb8d1 · schema v1 · pii pii-v1

Severity

High

Discovered

Nov 4, 2023

Filed

Dec 6, 2023

To disclose

5 weeks

Affected

2,584state residents only

Linked

4 filings

Confidence

66%

Full breach record for Butte School District →

Butte School District notified Montana residents of a cybersecurity incident discovered on November 4, 2023. An unauthorized actor accessed the network and copied files containing current and former employee information, including names, addresses, dates of birth, SSNs, and bank account details. The District secured systems, engaged investigators, reported to law enforcement, and offered 12 months of credit monitoring via Experian.

J jump to incidentP pin to compareR raw source

Incident timeline

discovery → filing · 5 weeks / 32 days

Nov 4, 2023

Begins

Nov 4, 2023

Discovered

Dec 6, 2023

Filed

vs. sector median

6 wks faster

This filing is one of 4 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Indiana State AGbd_8a31c7115eb38d732023-12-19 · +13dVerified
Maine State AGbd_67c0bdea2fffacc12024-01-08 · +33dVerified by operator
Vermont State AGbd_95f35c604f76b58e2024-12-19 · +379dVerified

Name: Butte School District
norm: butte school district

Name: Butte School District
norm: butte school district
Industry: Educationllm

Discovered: Nov 4, 2023
Breach occurred: Nov 4, 2023
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Dec 6, 2023
Affected individuals: 2,584state-resident count only
Data types: Identity (basic)Government IDFinancial account
Data elements: Social Security numberDate of birth
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1119 Automated Collection
Threat actor: ExternalFinancial
Regulator citations: reported this event to federal law enforcement and government regulators
Initial access: valid_credentials

During the incident: Immediately took steps to secure our systems
Conducted an investigation to confirm the nature and scope of the activity
Reported this event to federal law enforcement and government regulators
Offering you 12 months of credit monitoring and identity restoration services at no cost to you through Experian
Changes made: Working to review and further enhance these protections
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 5 weeks(32 days from discovery to filing)
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 ↗

Montana State AGDec 6 · first · this page

Indiana State AG+13d

Maine State AG+33d

Vermont State AG+379d

Pattern: first filing Dec 6 (MT), last Dec 19 (VT) — a 379-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://dojmt.gov/wp-content/uploads/OCP/Consumer-notification-letter-922.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 6, 2023
Raw hash: e62864458dc796de6f54083e3b2efcbdc94b46e93afd45ad30346d82f709ab76

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityButte School District

Victim entityButte School District

Incidentdiscovered Nov 4, 2023

Stated responseImmediately took steps to secure our systems

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov