DisclosureLens
GLOBALMalwareManufacturingManufacturingRansomwareSinobiRansom DemandedActor NamedData Leak ThreatenedData PublishedHigh

Western Slope Iron & Supply

bd_9718e85a8a458d7a · schema v1 · pii pii-v1

Severity

High

Discovered

—

Filed

Feb 5, 2026

To disclose

—

Affected

Not disclosed

Confidence

50%
Full breach record for Western Slope Iron & Supply →

Threat-actor claim — not a regulatory filing

This row is a claim by the ransomware group Sinobi 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: 2026-02-05

Source: Ransomware.live

Post text · scraped from the leak site

Western Slope Iron & Supply, Inc. is a certified steel fabricator operating since 1974, based in Grand Junction, Colorado. The company specializes in the fabrication of structural and miscellaneous steel for high-end commercial, industrial, residential, and governmental projects throughout the Western United States. Additionally, they serve as a Hilti distributor, offering a variety of steel parts and supplies for diverse applications. Their commitment to customer service and proactive project management has garnered positive feedback from clients across various sectors.

Incident timeline — mostly unverified

? — ?

Breach window unknown

Feb 5, 2026

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 2025-03-24

sinobi

According to ransomware.live, Sinobi is a private vetted-affiliate RaaS group that emerged in mid-2025, believed to be a rebrand of the Lynx/INC ransomware lineage, claiming 176 victims by end of 2025 through double-extortion attacks primarily against mid-market US organizations via compromised SonicWall VPN credentials.

274 victims claimed globally274 tracked hereFull profile →