GLOBALMalwareFinancial ServicesFinanceRansomwareBravoxRansom DemandedActor NamedData Leak ThreatenedData PublishedData ExfiltratedHigh
UMBERG TREUHAND AG
bd_9dcd93aa0499dcaa · schema v1 · pii pii-v1
Full breach record for UMBERG TREUHAND AG →Threat-actor claim — not a regulatory filing
This row is a claim by the ransomware group Bravox 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: Financial ServicesClaimed data size: 180.2GBDiscovered: 2026-03-11
Source: Ransomware.live
Post text · scraped from the leak site
The company provides tax optimization consulting for individuals, businesses, and public organizations.
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/VU1CRVJHIFRSRVVIQU5EIEFHQGJyYXZveA==
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
- Filed at
- Mar 11, 2026
- Raw hash
- a4bf3b8aabe21839d9c36763419e8d0f39dd6404651ec190a3dd8a4e09ae14e9
Reporting entity
- Name
- bravox
Victim entity
- Name
- UMBERG TREUHAND AGnorm: umberg treuhand
- Domain
- umberg-treuhand.ch
- Industry
- Financial Servicesllm
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· bravox
- Threat actor
- BravoxExternalFinancial
Compliance
- Compliance flags
- — (clock not assessable for this source)
Extraction provenance
- Status
- No extraction artifact recorded for this disclosure.