Defiance B.V.
bd_58d168741fd8681f · schema v1 · pii pii-v1
Full breach record for Defiance B.V. →Threat-actor claim — not a regulatory filing
This row is a claim by the ransomware group Sarcoma 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
Defiance Defiance Energy Services, LLC provides water hauling and other services to energy producers throughout the Haynesville Shale. We offer low-cost and efficient services that minimize non-productive time for our customers. In business since 2008, we are now one of the largest water haulers in the Haynesville. We run about 50 vacuum truck each day, serving our customers 24/7/365. In all our work, the safety of our employees, customers, and the environment are paramount. To that end, we maintain a rigorous compliance program to exceed all federal, state, and local regulatory requirements. Our combination of efficiency, reliability, and safety make us the right choice for your service needs.Geo: USA - Leak size: 188 GB Archive - Contains: Files
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Incident timeline — mostly unverified
? — ?
Breach window unknown
May 4, 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.
sarcoma
According to ransomware.live, Sarcoma is a ransomware group that debuted in October 2024, immediately ranking among the top three most active groups globally and surpassing 116 documented victims by mid-2025, targeting mid-market companies across manufacturing, retail, healthcare, legal, and business services with roughly 50% of victims in the United States.