DisclosureLens
GLOBALMalwareManufacturingManufacturingRansomwareLynxRansom DemandedActor NamedMedium

Simmers Crane & Engineering

bd_bec2a139537ee8e8 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Filed

Oct 24, 2025

To disclose

Affected

Not disclosed

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: ManufacturingDiscovered: 2025-10-24

Source: Ransomware.live

Post text · scraped from the leak site

Simmers Crane Design & Services Company was founded in 1958 by Charles Simmers, former Chief Engineer with Koppers Co. and Vice President of Engineering with Morgan Engineering Company. Mr. Simmers recognized the need for a specialty engineering group to serve the steel industry, and was able to staff his group with engineering personnel from major crane and mill builders. Initially providing engineering services only, Simmers became a Division of Pollock Research and Design, Inc. in 1966 and has expanded its' capabilities to include complete engineering services, field services, and materials for cranes, weight handling, mill, special, and category "A" nuclear equipment. Providing services both domestically and internationally, Simmers, along with its' sister division Reading Crane & Engineering Co., is an OEM supplier. Simmers is accredited by the U.S. Department of Labor to inspect, test, and certify Maritime shore based material handling devices such as cranes, derricks, spouts

Incident timeline — mostly unverified

? — ?

Breach window unknown

Oct 24, 2025

Claim posted

No filing yet · watching

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

Claim → filing

Compliance clock

Not assessable

Tracked as a single-filing incident — the only disclosure on record for this event so far.Unverified claimView incident

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.

No regulatory filing corroborates this yet — it is the attacker's own assertion. Watch this entity to be notified the moment a filing corroborates or contradicts it.

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 →