DisclosureLens
GLOBALMalwareProfessional ServicesProfessional ServicesRansomwareBlack BastaRansom DemandedActor NamedMedium

Schuff Steel Company

bd_235f4587aa6536bb · schema v1 · pii pii-v1

Severity

Medium

Discovered

Filed

Nov 20, 2024

To disclose

Affected

Not disclosed

Confidence

50%
Full breach record for Schuff Steel Company

Threat-actor claim — not a regulatory filing

This row is a claim by the ransomware group Black Basta 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: Business ServicesDiscovered: 2025-01-11

Source: Ransomware.live

Post text · scraped from the leak site

Schuff Steel Company is one of the largest structural steel fabrication and erection companies in the United States, founded in 1976 by Dave Schuff and his son, Scott. The company specializes in providing comprehensive services for commercial and industrial construction projects, including high-rise buildings, sports arenas, hospitals, and more.SITE: www.schuff.comADDRESS: 3003 N. Central Avenue, Suite 1500 Phoenix, AZ 85012 United StatesTEL#: (602) 252-7787ALL DATA SIZE: ≈800gb 1. Financial data 2. Personal employees data, docs, forms... 3. Confidential, NDA’s 4. Engeneering, Projects, Drawings... & etc...

Incident timeline — mostly unverified

? — ?

Breach window unknown

Nov 20, 2024

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.