GLOBALMalwareProfessional ServicesProfessional ServicesRansomwareQilinRansom DemandedActor NamedData Leak ThreatenedData PublishedHigh
LEYHAUSEN Research
bd_e492d60e2df02610 · schema v1 · pii pii-v1
Full breach record for LEYHAUSEN Research →Threat-actor claim — not a regulatory filing
This row is a claim by the ransomware group Qilin 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: 2025-10-15
Source: Ransomware.live
Post text · scraped from the leak site
Leyhausen Research GmbH is a leading provider of global field services since 1996, headquartered in Leverkusen, Germany. The company operates state-of-the-art facilities and call centers across Europe, the Middle East, India, and Africa, offe ...
Tracked as a single-filing incident — the only disclosure on record for this event so far.Unverified claimView incident
No regulatory filing corroborates this yet. If an SEC 8-K, state-AG notice, or victim statement lands, DisclosureLens will merge it into an incident and link it here.
Source provenance
- Source URL
- https://www.ransomware.live/id/TEVZSEFVU0VOIFJlc2VhcmNoQHFpbGlu
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
- Filed at
- Oct 15, 2025
- Raw hash
- f817c803aca0e7a504c20c3d341df80cd64a15469da64076c9d99bcb33dd5895
Reporting entity
- Name
- qilin
Victim entity
- Name
- LEYHAUSEN Researchnorm: leyhausen research
- Domain
- leyhausen.com
- Industry
- Professional Services
What this source establishes
- Source ceiling
- A leak-site claim can't tell us: discovery date · materiality · notification · affected count · confirmed data types · compliance clock. These stay blank until a regulatory filing or victim disclosure lands.
- Attack vector
- Ransomware· qilin
- Threat actor
- QilinExternalFinancial
Compliance
- Compliance flags
- — (clock not assessable for this source)
Extraction provenance
- Status
- No extraction artifact recorded for this disclosure.