UnknownTechnologyInformationCustomer Data InvolvedPIIIdentity (basic)Financial accountLowContained

Main Electric Supply Co.

bd_0f8bd83ab40c5b31 · schema v1 · pii pii-v1

Severity

Low

Discovered

Jul 22, 2025

Filed

Sep 12, 2025

To disclose

7 weeks

Affected

Not disclosed

Linked

4 filings

Confidence

65%

Full breach record for Main Electric Supply Co. →

Main Electric Supply Company, LLC notified the California Attorney General of a data breach discovered on July 22, 2025. An unauthorized individual may have acquired certain personal information. The company retained forensic specialists and legal counsel to investigate. Affected individuals are offered 12 months of credit monitoring and fraud assistance. The specific data types affected were redacted in the provided notice sample, but credit monitoring suggests potential exposure of financial or identity data.

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Leak gap clock⏱ Leak >30d7 weeks discovery → filing

Incident timeline

discovery → filing · 7 weeks / 52 days

Jul 22, 2025

Begins

Jul 22, 2025

Discovered

Sep 12, 2025

Filed

vs. sector median

11 wks faster

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

Indiana State AGbd_42f05fdaef2152892025-09-12Verified
Montana State AGbd_96beda3efc05c8702025-09-12Verified

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: Technologyllm

Discovered: Jul 22, 2025
Breach occurred: Jul 22, 2025
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Sep 12, 2025
Affected individuals: Not disclosed
Data types: PIIIdentity (basic)Financial account
Attack vector: Unknown
Threat actor: External

During the incident: Retained legal counsel and third-party forensic specialists to investigate the suspicious activity
Began a comprehensive review of the data set to determine what sensitive and/or personal information was impacted
Providing access to Single Bureau Credit Monitoring/Single Bureau Credit Report/Single Bureau Credit Score services at no charge for twelve months
Providing proactive fraud assistance through Cyberscout
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 7 weeks(52 days from discovery to filing)
Compliance flags: Leak >30dCA 60-day OK · 52d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.
Clock breakdown: Statute Window Elapsed Threshold Status
California
Discovered: Jul 22, 2025
→ Notified: Sep 12, 2025
52d 60 days (analyst band, pre-2026 discoveries) CA 60-day OK

Statute	Window	Elapsed	Threshold	Status
California	Discovered: Jul 22, 2025 → Notified: Sep 12, 2025	52d	60 days (analyst band, pre-2026 discoveries)	CA 60-day OK

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

Indiana State AGSep 12 · first

Montana State AGSep 12 · first

California 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://oag.ca.gov/ecrime/databreach/reports/sb24-609849
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: 6a325315e42c225debebfbd4df7dc8a88069d4ca7d773832da53426ad736181a

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 responseRetained legal counsel and third-party forensic specialists to investigate the suspicious activity

ComplianceLeak >30d

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov