Steel Dynamics UK
bd_ffb1ab40ae113519 · schema v1 · pii pii-v1
Full breach record for Steel Dynamics UK →Threat-actor claim — not a regulatory filing
This row is a claim by the ransomware group DragonForce 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.
Source: Ransomware.live
Post text · scraped from the leak site
Steel Dynamics are one of the leading steel stockholders and Processors in the UK. Offering a wide range of stainless steel in a variety of grades our customer base ranges from Nuclear and Architectural to the Oil & Gas, food and processing and Petrochemical Industries. With our experience it's no surprise why many blue chip companies UK and worldwide trust Steel Dynamics to satisfy their requirements in every respect. The central goal of our company vision is to be world class in the eyes of our customers. With a multi-million pound investment strategy in the latest processing technology we are at the forefront of both technological advances as well as having an enviable reputation for delivering bespoke materials packages on time in full. At Steel Dynamics we don't just sell steel we sell service. Our average lead time is 3-4 days and we are 98%+ on time. Significant investments in inventory and a very flexible supply chain allow us to react to spikes in demand.
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Incident timeline — mostly unverified
? — ?
Breach window unknown
Mar 5, 2025
Claim posted
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No filing yet · watching
Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.
Claim → filing
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Compliance clock
Not assessable
Evidence ladder
Attacker assertion only. Establishes: claim date, group, alleged victim.
Unlocks: incident narrative, operational impact. Still no compliance clock.
Unlocks: discovery date, data types, affected count, compliance clock.
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.
dragonforce
According to ransomware.live, DragonForce is a major ransomware-as-a-service operation first observed in August 2023 that launched a formal affiliate program offering 80% revenue share, then rebranded as a "ransomware cartel" in 2025, gaining notoriety for high-profile attacks on UK retailers Marks & Spencer, Co-op, and Harrods.