Carlysle Engineering, Inc.
bd_319e88349b2befce · schema v1 · pii pii-v1
Threat-actor claim — not a regulatory filing
This row is a claim by the ransomware group Payload 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
Carlysle.net belongs to Carlysle Engineering, Inc., an engineering firm based in Boston. The company specializes in designing, installing, and maintaining fire protection systems such as sprinklers. They also provide building inspections and consulting services to ensure compliance with safety and insurance requirements.
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Incident timeline — mostly unverified
? — ?
Breach window unknown
Mar 26, 2026
Claim posted
—
Corroborated · see linked filings
This record's own dates cannot anchor compliance clocks; see the linked filings.
Claim → filing
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Compliance clock
Not assessable
Linked disclosures
Why this link?Regulatory filings (3) · sorted by filing gap
- Maine State AGbd_ad4dba05a8f20d9f2026-05-14 · +48dVerified
- New Hampshire State AGbd_ccceb44ab78b843d2026-05-14 · +48dVerified
- Massachusetts State AGbd_ea8abc29297e19322026-05-14 · +48dCandidate
Filing propagation · 3 filings · 3 states
View merged incident ↗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.
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.
payload
According to ransomware.live, Payload is a ransomware group that emerged in early 2026, using Babuk-derived source code targeting both Windows and ESXi systems with cross-platform double-extortion attacks against healthcare, energy, real estate, and agriculture sectors, claiming 12 victims across seven countries within hours of launching its leak site.