Don Hierro
bd_b22ef210044ec52b · schema v1 · pii pii-v2
Full breach record for Don Hierro →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
donhierro.com zoominfo.com/c/don-hierro-sl/347708573 Don Hierro Corporation, S.A. (roots to 1969, Panama City) is a Panama-based engineering, construction and manufacturing firm specializing in hydraulic works, concrete caissons, foundations and industrial building. With ISO 9001/14001/45001 certifications and 39,000 m2 of production facilities in Colón (its own concrete plants, quarries and caisson yards), it self-manufactures critical components — a rare vertical integration in Central America. Its flagship client is the Panama Canal Authority (ACP), for which it has executed compensating-platform repairs, drainage works at the Espíritu Santo and Pirro locks and coastal work for the Third Bridge consortium (~$22–28M). It also builds water-supply systems (Caños de Brea, David pipeline with EMPESA), bridges, dams, breakwaters and drip-irrigation (Netafim) agriculture projects. Led by project director Javier Carrillo (34 years experience) and a team claiming 300+ cumulative
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Incident timeline — mostly unverified
? — ?
Breach window unknown
Sep 29, 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.
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.