M. B. Kahn Construction Co.
bd_3779d7a819b8a5bc · schema v1 · pii pii-v1
Full breach record for M. B. Kahn Construction Co. →Threat-actor claim — not a regulatory filing
This row is a claim by the ransomware group Coinbasecartel 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
M. B. Kahn Construction Co. is a general contracting and construction management firm based in the United States, headquartered in Columbia, South Carolina. Founded in 1926, the company operates primarily across the southeastern United States. It serves sectors including commercial, industrial, healthcare, education, and government markets, delivering services such as design-build, preconstruction planning, and facility construction.
Source provenance
- Source URL
- https://www.ransomware.live/id/TS4gQi4gS2FobiBDb25zdHJ1Y3Rpb24gQ28uQGNvaW5iYXNlY2FydGVs
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
- Filed at
- Aug 1, 2026
- Raw hash
- 936a8f0e1e53ef7becd081c3f91e1d10b98a1eecd7b050cd03e109cf5d6e90d0
Reporting entity
- Name
- coinbasecartel
Victim entity
- Name
- M. B. Kahn Construction Co.norm: m b kahn construction
- Industry
- Manufacturingllm
What this source establishes
- Source ceiling
- A leak-site claim can't tell us: discovery date · materiality · notification · affected count · confirmed data types · compliance clock. These stay blank until a regulatory filing or victim disclosure lands.
- Attack vector
- Ransomware· coinbasecartel
- Threat actor
- CoinbasecartelExternalFinancial
Compliance
- Compliance flags
- — (clock not assessable for this source)
Extraction provenance
- Status
- No extraction artifact recorded for this disclosure.