HackingEnergy & UtilitiesUtilitiesStolen CredentialsData ExfiltratedCustomer Data InvolvedEmployee Data InvolvedIdentity (basic)Government IDPIIMediumContained

Canyon State Electric

bd_2a26e48d5d64d5e3 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Dec 10, 2024

Filed

Feb 7, 2025

To disclose

4 weeks

Affected

4state residents only

Linked

3 filings

Confidence

64%

Full breach record for Canyon State Electric →

Canyon State Electric notified Montana residents of a data breach involving its third-party HR software. An unauthorized actor accessed accounts between Dec 4-10, 2024. The incident exposed employee and dependent PII including SSNs, names, addresses, and DOBs. Notices were sent on Feb 7, 2025, offering credit monitoring.

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Incident timeline

undetected · 6 days

discovery → filing · 8 weeks / 59 days

Dec 4, 2024

Begins

Dec 10, 2024

Discovered

Feb 7, 2025

Filed

This filing is one of 3 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

Maryland State AGbd_2317639b1bc947892025-02-07Verified
Maine State AGbd_cb62918fb0533ca62025-02-07Verified

Name: Canyon State Electric
norm: canyon state electric

Name: Canyon State Electric
norm: canyon state electric
Industry: Energy & Utilitiesllm

Discovered: Dec 10, 2024
Breach occurred: Dec 4, 2024 – Dec 10, 2024
Undetected for: 6 daysoccurrence → discovery
Materiality determined: —
Notification sent: Feb 7, 2025
Affected individuals: 4state-resident count only
Data types: Identity (basic)Government IDPII
Data elements: Social Security numberDate of birth
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1078 Valid AccountsT1119 Automated Collection
Threat actor: External
Initial access: valid_credentials

During the incident: Began an investigation
Collaborated with security experts to assist with this investigation
Offering complimentary access to identity monitoring services through Experian
Changes made: Enhance security protocols and controls
Enhance technology
Enhance training
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 4 weeks(30 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

Maryland State AGFeb 7 · first

Maine State AGFeb 7 · first

Montana State AGFeb 7 · 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://dojmt.gov/wp-content/uploads/2025/03/Consumer-notification-letter-184.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Feb 7, 2025
Raw hash: fa392b0b7a8ca43efb75713a3b1e15bf6ac2a6037dbaecd7082c5f3cf2b6b830

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityCanyon State Electric

Victim entityCanyon State Electric

Incidentdiscovered Dec 10, 2024

Stated responseBegan an investigation

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov