GLOBALMalwareConstructionRansomwareNightspireRansom DemandedActor NamedData ExfiltratedHigh
Siena Construction
bd_c5f2b1bf041dba33 · schema v1 · pii pii-v1
Full breach record for Siena Construction →Threat-actor claim — not a regulatory filing
This row is a claim by the ransomware group Nightspire 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: ConstructionClaimed data size: 350GBDiscovered: 2026-04-03
Source: Ransomware.live
Post text · scraped from the leak site
- QBOOK Data- Project Records- Employee Information- Finance Records- Technical Data- Suppliers Information- Bid Documents
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/
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
- Filed at
- Mar 29, 2026
- Raw hash
- 2de632fd6c08061bcffe5606d690f57a2b36693651d130ca1457fa631449e590
Reporting entity
- Name
- nightspire
Victim entity
- Name
- Siena Constructionnorm: siena construction
- Domain
- sienaconstruction.com
- Industry
- Construction
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· nightspire
- Threat actor
- NightspireExternalFinancial
Compliance
- Compliance flags
- — (clock not assessable for this source)
Extraction provenance
- Status
- No extraction artifact recorded for this disclosure.