GLOBALMalwareConstructionRansomwareSinobiRansom DemandedActor NamedData Leak ThreatenedData PublishedHigh
Grupo J SA
bd_872286f630040638 · schema v1 · pii pii-v1
Full breach record for Grupo J SA →Threat-actor claim — not a regulatory filing
This row is a claim by the ransomware group Sinobi 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: ConstructionDiscovered: 2025-10-20
Source: Ransomware.live
Post text · scraped from the leak site
Grupo JSA is a company that operates in the Architecture, Engineering & Design industry. It employs 20to49 people and has 5Mto10M of revenue. The company is headquartered in Rio de Janeiro, Rio de Janeiro, Brazil.
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/R3J1cG8gSlNBQHNpbm9iaQ==
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
- Filed at
- Oct 20, 2025
- Raw hash
- 02cc7acca616fb72f83bd12c0cc5254afbf63636de220e8b6f632ff422aeeced
Reporting entity
- Name
- sinobi
Victim entity
- Name
- Grupo J SAnorm: grupo j
- Domain
- grupojsa.com.br
- Industry
- Constructionllm
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· sinobi
- Threat actor
- SinobiExternalFinancial
Compliance
- Compliance flags
- — (clock not assessable for this source)
Extraction provenance
- Status
- No extraction artifact recorded for this disclosure.