KraftKisarna
bd_552477f805c727b8 · schema v1 · pii pii-v1
Full breach record for KraftKisarna →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
We at KraftKisarna mainly carry out electrical control and fire alarm installations, and maintain railways and train stations around Sweden. We also carry out complete electrical installations in infrastructure, lighting and power in track and track-related environments, associated peripheral areas such as walking – cycle paths and welcoming green areas. Also bridge, tunnel and platform work. Our staff has good experience and is specially trained to work safely on track and track environments. Despite our young age as a company, we have been able to carry out a large number of projects in the field of railways throughout Sweden. Our primary end customers are the Swedish Transport Administration, municipalities and industries.
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Incident timeline — mostly unverified
? — ?
Breach window unknown
Apr 14, 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.