DisclosureLens
GLOBALMalwareConstructionConstructionRansomwareLynxRansom DemandedActor NamedData Leak ThreatenedData PublishedHigh

Southern Mechanical Contractors

bd_fbeb4b3a0bd5cbf8 · schema v1 · pii pii-v1

Severity

High

Discovered

Filed

Jun 18, 2026

To disclose

Affected

Not disclosed

Linked

2 filings

Confidence

50%

Threat-actor claim — not a regulatory filing

This row is a claim by the ransomware group Lynx on its public extortion blog. It has not been validated by the victim or any regulator. Treat attribution and counts as the threat actor's assertion until a regulatory filing or victim disclosure corroborates them.

Group activity: Not FoundDiscovered: 2026-06-18

Source: Ransomware.live

Post text · scraped from the leak site

Southern Mechanical Contractors is a merit shop mechanical and industrial construction firm with over 35 years of experience. They specialize in the design, installation, and service of HVAC, plumbing, process piping, and sheet metal systems for commercial and industrial clients. The company is dedicated to providing operational flexibility and cost-efficiency, ensuring high-quality service at competitive prices. Based in Atlanta, Georgia, they support clients throughout the Southeastern United States with comprehensive project assistance from design to maintenance.

Incident timeline — mostly unverified

? — ?

Breach window unknown

Jun 18, 2026

Claim posted

Corroborated · see linked filings

Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.

Claim → filing

Compliance clock

Not assessable

This filing is one of 2 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

Filing propagation · 2 filings

View merged incident ↗
Massachusetts State AGDec 22 · first
Leak Site+178d · this page

Pattern: first filing Dec 22 (MA), last Jun 18 — a 178-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Evidence ladder

Leak-site claimThis record

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filing

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.

Source ceiling

  • actor name
  • victim claim
  • ransom/leak status
  • discovery date
  • materiality
  • notification
  • affected count
  • confirmed data types
  • compliance clock

The ✕ fields stay blank until a regulatory filing or victim disclosure lands.

About this groupFirst seen 2023-05-22

lynx

According to ransomware.live, Lynx is a ransomware-as-a-service operation that emerged in mid-2024 as a rebrand of INC Ransomware (whose source code was sold for $300,000 on the RAMP forum), claiming ~300 victims across manufacturing, business services, technology, and transportation with an 80/20 profit split for affiliates.

422 tracked hereFull profile →