Buechel Stone
bd_79824282b3ef8553 · schema v1 · pii pii-v1
Full breach record for Buechel Stone →Threat-actor claim — not a regulatory filing
This row is a claim by the ransomware group Thegentlemen 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
***.com zoominfo.com/c/buechel-stone-corp/5800461 Founded in 1964 as a family-owned business, Buechel Stone is a premier natural stone quarrier and fabricator based in Wisconsin. Specializing in over a hundred varieties of natural stone, they provide exceptional building veneers, custom cut stone, and landscape products for architectural projects. As a third-generation company with a nationwide presence, they pride themselves on delivering unparalleled expertise and a guaranteed, dependable experience in the natural stone industry
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Incident timeline — mostly unverified
? — ?
Breach window unknown
Jun 15, 2026
Claim posted
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Corroborated · see linked filings
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
Linked disclosures
Why this link?Regulatory filings (1) · sorted by filing gap
- Indiana State AGbd_e7d4d3a057b06d522026-06-19 · +4dVerified by operator
Filing propagation · 2 filings
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.
thegentlemen
According to ransomware.live, The Gentlemen is a RaaS group that emerged in July–August 2025, rapidly claiming over 320 victims across 17+ countries by offering affiliates a 90% revenue share, deploying a Go-based locker against Windows, Linux, NAS, and BSD systems; a compromised C2 server in 2026 revealed more than 1,570 linked victims.