HackingRetail & ConsumerRetailStolen CredentialsTargetedPIIIdentity (basic)LowContained

Main Electric Supply Co.

bd_96beda3efc05c870 · schema v1 · pii pii-v1

Severity

Low

Discovered

Jul 22, 2025

Filed

Sep 12, 2025

To disclose

7 weeks

Affected

2state residents only

Linked

4 filings

Confidence

65%

Full breach record for Main Electric Supply Co. →

Main Electric Supply Company, LLC notified Montana residents of a data breach discovered on July 22, 2025. Unauthorized access to the network resulted in the potential acquisition of personal information. The company retained legal counsel and forensic specialists, and is offering 12 months of complimentary credit monitoring services to affected individuals.

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Incident timeline

discovery → filing · 7 weeks / 52 days

Jul 22, 2025

Discovered

Sep 12, 2025

Filed

vs. sector median

on median

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

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Sitesinobibd_6c8c5c50e1a905fc2025-07-22 · +52dVerified by operator

Regulatory filings (2) · sorted by filing gap

California State AGbd_0f8bd83ab40c5b312025-09-12Candidate
Indiana State AGbd_42f05fdaef2152892025-09-12Verified

Name: Main Electric Supply Co.
norm: main electric supply
Domain: mainelectricsupply.com

Name: Main Electric Supply Co.
norm: main electric supply
Domain: mainelectricsupply.com
Industry: Retail & Consumerllm

Discovered: Jul 22, 2025
Materiality determined: —
Notification sent: Sep 12, 2025
Affected individuals: 2state-resident count only
Data types: PIIIdentity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Initial access: valid_credentials

During the incident: Began an investigation into the scope and nature of the suspicious activity
Retained legal counsel and third-party forensic specialists to investigate the suspicious activity
Began a comprehensive review of the data set
Providing you with access to Single Bureau Credit Monitoring/Single Bureau Credit Report/Single Bureau Credit Score services at no charge
Providing you with proactive fraud assistance
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 7 weeks(52 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 ↗

California State AGSep 12 · first

Indiana State AGSep 12 · first

Montana State AGSep 12 · 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/2025/09/Consumer-notification-letter-35.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 12, 2025
Raw hash: a7a28a9d439f9657a68a68e72e18da9b389e72c04ce690aac17448dec252a297

Linked disclosures

Ransomware claims (1)

Regulatory filings (2) · sorted by filing gap

Reporting entityMain Electric Supply Co.

Victim entityMain Electric Supply Co.

Incidentdiscovered Jul 22, 2025

Stated responseBegan an investigation into the scope and nature of the suspicious activity

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov