HackingProfessional ServicesProfessional ServicesCustomer Data InvolvedIdentity (basic)Government IDMediumContained

L&S MECHANICAL ACQUISITION, LLC

bd_0f73549aa2ad1d1e · schema v1 · pii pii-v2

Severity

Medium

Discovered

Feb 5, 2025

Filed

Mar 5, 2026

To disclose

—

Affected

Not disclosed

Linked

5 filings

Confidence

66%

Full breach record for L&S MECHANICAL ACQUISITION, LLC →2 incidents on file

L&S Mechanical notified Nebraska residents of unauthorized network access occurring between February 5, 2025, and March 10, 2025. The investigation concluded on February 16, 2026, revealing that personal information, including names and government identifiers, was exfiltrated. The company engaged outside cybersecurity professionals and offered complimentary credit monitoring to affected individuals.

J jump to incidentP pin to compareR raw source

Leak gap clock✗ Leak >180d

Incident timeline

Feb 5, 2025

Begins

Feb 5, 2025

Discovered

Mar 5, 2026

Filed

This filing is one of 5 about the same incident.View merged incident

A leak claim by spacebears about this victim predates this filing by 352 days.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (2)

Leak Sitespacebearsbd_0a55b47f46c4e4e82025-04-03 · +336dVerified by operator
Leak Sitespacebearsbd_f57dd14628165b652025-03-18 · +352dVerified by operator

Regulatory filings (2) · sorted by filing gap

Massachusetts State AGbd_64b998925bc774db2026-03-06 · +1dVerified by operator
Texas State AGbd_b975560ca8db531b2026-03-06 · +1dVerified

Name: L&S MECHANICAL ACQUISITION, LLC
norm: l s mechanical acquisition
Domain: lsmech.com

Name: L&S MECHANICAL ACQUISITION, LLC
norm: l s mechanical acquisition
Domain: lsmech.com
Industry: Professional Servicesllm

Discovered: Feb 5, 2025
Breach occurred: Feb 5, 2025 – Mar 10, 2025
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: Not disclosed
Data types: Identity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1119 Automated Collection
Threat actor: External

During the incident: Launched an investigation in consultation with outside cybersecurity professionals
Offering a complimentary Equifax Credit WatchTM Gold membership
Changes made: Continually evaluate and modify our practices and internal controls to enhance the security and privacy of your information
Source: Quoted from the filing itself, not independently verified.

Compliance flags: Leak >180d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

Nebraska State AGMar 5 · first · this page

Massachusetts State AG+1d

Texas State AG+1d

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/fddab565-881f-4d26-9653-b0a00432cfc7.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 5, 2026
Raw hash: 7ef44cd32a51e70669c0195642bbbcbdf0e5db4868cf0dac1f95b96b92457e6a

Linked disclosures

Ransomware claims (2)

Regulatory filings (2) · sorted by filing gap

Reporting entityL&S MECHANICAL ACQUISITION, LLC

Victim entityL&S MECHANICAL ACQUISITION, LLC

Incidentdiscovered Feb 5, 2025

Stated responseLaunched an investigation in consultation with outside cybersecurity professionals

ComplianceLeak >180d

Extraction provenanceno artifact recorded

Source provenancenebraska.gov