Kwg
bd_835d8942e6774f15 · schema v1 · pii pii-v1
Full breach record for Kwg →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
Kwg KWG mbH im Lausitzer Seenland is a modern and progressive housing service company that rents and manages residential and commercial properties in the Senftenberg region and surrounding areas. They offer a variety of housing options tailored to different needs, including affordable apartments for families, students, and seniors, as well as higher-end accommodations. The company aims to provide suitable living spaces for singles, young people, families, and seniors, with the possibility of customizing floor plans. Their services are designed to meet the diverse demands of their clients in Senftenberg, Großräschen, Schipkau, Schwarzheide, and Ortrand.Geo: Germany - Leak size: 989 GB Archive - Contains: Files, SQL, Exchange
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Incident timeline — mostly unverified
? — ?
Breach window unknown
Sep 17, 2025
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
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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.