Westbrook Greenhouse Systems
bd_d84413e06e44369f · schema v1 · pii pii-v1
Full breach record for Westbrook Greenhouse Systems →Threat-actor claim — not a regulatory filing
This row is a claim by the ransomware group Blacknevas 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
A Canadian family-owned company (part of the Westbrook Group of Companies) founded over 50 years ago. It specializes in the design, manufacturing, and installation of commercial greenhouses and related equipment (structures, heating and ventilation systems, benches, and handling materials).Its headquarters and manufacturing facilities are located in the Niagara region (Beamsville, Ontario). It serves clients across North America and operates its own factory spanning approximately 80,000 square feet.
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Incident timeline — mostly unverified
? — ?
Breach window unknown
Aug 12, 2026
Claim posted
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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.
blacknevas
According to ransomware.live, BlackNevas is a ransomware group first observed in November 2024, believed to be derived from the Trigona ransomware family, targeting telecommunications, manufacturing, medical, and legal industries primarily in Asia-Pacific, the UK, Italy, and Lithuania using double-extortion with a dual AES/RSA encryption scheme.