Multistack, LLC
bd_967b482e32c3ae19 · schema v1 · pii pii-v1
Full breach record for Multistack, LLC →Threat-actor claim — not a regulatory filing
This row is a claim by the ransomware group Blackbyte 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
At Multistack, we recognize and respect the importance of providing HVAC solutions that promote energy and water efficiency, utilize the best refrigerant choices available, and embrace the transition from fossil fuels to electrification.Water and air-cooled MagLev® chiller platforms achieve superb efficiency across their full range of operation. Our unique MagLev chiller design and unrivalled Transitional Efficiency? chiller control algorithms deliver outstanding part-load performance at all condenser-water or ambient temperature conditions. MagLev also offers refrigerant choices recognized worldwide safer for the environment: R1234ze, R-513, and R515B.Our modular product’s design allows you the freedom to use just enough energy to meet your current needs, while offering you the flexibility of incorporating additional modules as your operations grow. Minimizing embodied energy is an important design focus and we pride ourselves that our modular chillers deliver the industry’s highest cooling and heating output per pound. If you’re looking to cool and heat your building with as little environmental impact as possible, look no further than Multistack!
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Incident timeline — mostly unverified
? — ?
Breach window unknown
Jun 16, 2023
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.
blackbyte
According to ransomware.live, Ransomware. Uses dropper written in JavaScript to deploy a .NET payload.